Chapter CCXXIV: Foreword: Fore"word`, n (45)

IMPALPABLE Im*pal"pa*ble, a. Etym: [Pref. im- not + palpable: cf. F. impalpable.]

1. Not palpable; that cannot be felt; extremely fine, so that no grit can be perceived by touch. "Impalpable powder." Boyle.

2. Not material; intangible; incorporeal. "Impalpable, void, and bodiless." Holland.

3. Not apprehensible, or readily apprehensible, by the mind; unreal; as, impalpable distinctions.

IMPALPABLY Im*pal"pa*bly, adv.

Defn: In an impalpable manner.

IMPALSY Im*pal"sy, v. t.

Defn: To palsy; to paralyze; to deaden. [R.]

IMPANATE Im*pa"nate, a. Etym: [LL. impanatus, p. p. of impanare to impanate; L. pref. im- in + panis bread.]

Defn: Embodied in bread, esp. in the bread of the eucharist. [Obs.] Cranmer.

IMPANATE Im*pa"nate, v. t. [imp. & p. p. Impanated; p. pr. & vb. n. Impanating.]

Defn: To embody in bread, esp. in the bread of the eucharist. [Obs.]

IMPANATION Im"pa*na"tion, n. Etym: [Cf. F. impanation. See Impanate, a.] (Eccl.)

Defn: Embodiment in bread; the supposed real presence and union of Christ's material body and blood with the substance of the elements of the eucharist without a change in their nature; -- distinguished from transubstantiation, which supposes a miraculous change of the substance of the elements. It is akin to consubstantiation.

IMPANATOR Im*pa"na*tor, n. Etym: [LL.] (Eccl.)

Defn: One who holds the doctrine of impanation.

IMPANEL Im*pan"el, v. t. [imp. & p. p. Impaneled or Impanelled; p. pr. & vb. n. Impaneling or Impanelling.] Etym: [Pref. im- in + panel. Cf. Empanel.] [Written also empanel.]

Defn: To enter in a list, or on a piece of parchment, called a panel; to form or enroll, as a list of jurors in a court of justice. Blackstone.

IMPANELMENT Im*pan"el*ment, n.

Defn: The act or process of impaneling, or the state of being impaneled.

IMPARADISE Im*par"a*dise, v. t. [imp. & p. p. Imparadised; p. pr. & vb. n. Imparadising.] Etym: [Pref. im- + paradise: cf. F. emparadiser.]

Defn: To put in a state like paradise; to make supremely happy. "Imparadised in one another's arms." Milton.

IMPARALLELED Im*par"al*leled, a.

Defn: Unparalleled. [Obs.]

IMPARDONABLE Im*par"don*a*ble, a. Etym: [Cf. F. impardonnable.]

Defn: Unpardonable. [Obs.] South.

IMPARIDIGITATE Im*par`i*dig"i*tate, a. Etym: [L. impar unequal + digitus finger.] (Anat.)

Defn: Having an odd number of fingers or toes, either one, three, or five, as in the horse, tapir, rhinoceros, etc.

IMPARIPINNATE Im*par"i*pin"nate, a. Etym: [L. impar unequal + E. pinnate.] (Bot.)

Defn: Pinnate with a single terminal leaflet.

IMPARISYLLABIC Im*par"i*syl*lab"ic, a. Etym: [L. impar unequal + E. syllabic: cf. F. imparisyllabique.] (Gram.)

Defn: Not consisting of an equal number of syllables; as, an imparisyllabic noun, one which has not the same number of syllables in all the cases; as, lapis, lapidis; mens, mentis.

IMPARITY Im*par"i*ty, n. Etym: [Pref. im- + parity: cf. F. imparité.]

1. Inequality; disparity; disproportion; difference of degree, rank, excellence, number, etc. Milton.

2. Lack of comparison, correspondence, or suitableness; incongruity. In this region of merely intellectual notion we are at once encountered by the imparity of the object and the faculty employed upon it. I. Taylor.

3. Indivisibility into equal parts; oddness. [R.]

IMPARK Im*park", v. t. [imp. & p. p. Imparked, p. pr. & vb. n. Imparking.] Etym: [Cf. Empark.]

Defn: To inclose for a park; to sever from a common; hence, to inclose or shut up. They . . . impark them [the sheep] within hurdles. Holland.

IMPARL Im*parl", v. i. Etym: [OF. emparler; pref. em- (L. in) + parler to speak. See In, prep., and Parley.]

1. To hold discourse; to parley. [Obs.] Sir. T. North.

2. (Law)

Defn: To have time before pleading; to have delay for mutual adjustment. Blackstone.

IMPARLANCE Im*par"lance, n. Etym: [Cf. Emparlance, Parlance.] [Written also inparliance.]

1. Mutual discourse; conference. [Obs.]

2. (Law) (a) Time given to a party to talk or converse with his opponent, originally with the object of effecting, if possible, an amicable adjustment of the suit. The actual object, however, has long been merely to obtain further time to plead, answer to the allegations of the opposite party. (b) Hence, the delay or continuance of a suit.

Note: Imparlance and continuance by imparlance have been abolished in England. Wharton (Law Dict. ).

IMPARSONEE Im*par`son*ee", a. Etym: [OF. empersone. See 1st In-, and Parson.] (Eng. Eccl. Law)

Defn: Presented, instituted, and inducted into a rectory, and in full possession. -- n.

Defn: A clergyman so inducted.

IMPART Im*part", v. t. [imp. & p. p. Imparted; p. pr. & vb. n. Imparting.] Etym: [OF. impartir, empartir, L. impartire, impertire; pref. im- in + partire to part, divide, fr. pars, partis, part, share. See Part, n. ]

1. To bestow a share or portion of; to give, grant, or communicate; to allow another to partake in; as, to impart food to the poor; the sun imparts warmth. Well may he then to you his cares impart. Dryden.

2. To obtain a share of; to partake of. [R.] Munday.

3. To communicate the knowledge of; to make known; to show by words or tokens; to tell; to disclose. Gentle lady, When I did first impart my love to you. Shak.

Syn. -- To share; yield; confer; convey; grant; give; reveal; disclose; discover; divulge. See Communicate.

IMPART Im*part", v. i.

1. To give a part or share. He that hath two coats, let him impart to him that hath none. Luke iii. 11.

2. To hold a conference or consultation. Blackstone.

IMPARTANCE Im*part"ance, n.

Defn: Impartation.

IMPARTATION Im`par*ta"tion, n.

Defn: The act of imparting, or the thing imparted. The necessity of this impartation. I. Taylor.

IMPARTER Im*part"er, n.

Defn: One who imparts.

IMPARTIAL Im*par"tial, a. Etym: [Pref. im- not + partial: cf. F. impartial.]

Defn: Not partial; not favoring one more than another; treating all alike; unprejudiced; unbiased; disinterested; equitable; fair; just. Shak. Jove is impartial, and to both the same. Dryden. A comprehensive and impartial view. Macaulay.

IMPARTIALIST Im*par"tial*ist, n.

Defn: One who is impartial. [R.] Boyle.

IMPARTIALITY Im*par`ti*al"i*ty, n. Etym: [Cf. F. impartialité.]

Defn: The quality of being impartial; freedom from bias or favoritism; disinterestedness; equitableness; fairness; as, impartiality of judgment, of treatment, etc. Impartiality strips the mind of prejudice and passion. South.

IMPARTIALLY Im*par"tial*ly, a.

Defn: In an impartial manner.

IMPARTIALNESS Im*par"tial*ness, n.

Defn: Impartiality. Sir W. Temple.

IMPARTIBILITY Im*part`i*bil"i*ty, n.

Defn: The quality of being impartible; communicability. Blackstone.

IMPARTIBILITY Im*part`i*bil"i*ty, n. Etym: [Cf. F. impartibilité.]

Defn: The quality of being incapable of division into parts; indivisibility. Holland.

IMPARTIBLE Im*part"i*ble, a. Etym: [From Impart.]

Defn: Capable of being imparted or communicated.

IMPARTIBLE Im*part"i*ble, a. Etym: [Pref. im- not + partible: cf. F. impartible.]

Defn: Not partible; not subject to partition; indivisible; as, an impartible estate. Blackatone.

IMPARTMENT Im*part"ment, n.

Defn: The act of imparting, or that which is imparted, communicated, or disclosed. [R.] It beckons you to go away with it, As if it some impartment did desire To you alone. Shak.

IMPASSABLE Im*pass"a*ble, a. Etym: [Cf. Unpassable.]

Defn: Incapable of being passed; not admitting a passage; as, an impassable road, mountain, or gulf. Milton. -- Im*pass"a*ble*ness, n. -- Im*pass"a*bly, adv.

IMPASSE Im`passe" (aN`päs"; E. im*pas"), n. [F.]

Defn: An impassable road or way; a blind alley; cul-de-sac; fig., a position or predicament affording no escape.

The issue from the present impasse will, in all probability, proceed from below, not from above. Arnold White.

IMPASSIBILITY Im*pas`si*bil"i*ty, a. Etym: [L. impassibilitas: cf. F. impassibilité.]

Defn: The quality or condition of being impassible; insusceptibility of injury from external things.

IMPASSIBLE Im*pas"si*ble, a. Etym: [L. impassibilis; pref. im- not + passibilis passable: cf. F. impassible. See Passible.]

Defn: Incapable of suffering; inaccessible to harm or pain; not to be touched or moved to passion or sympathy; unfeeling, or not showing feeling; without sensation. "Impassible to the critic." Sir W. Scott. Secure of death, I should contemn thy dart Though naked, and impassible depart. Dryden.

IMPASSIBLENESS Im*pas"si*ble*ness, n.

Defn: Impassibility.

IMPASSION Im*pas"sion, v. t. Etym: [Pref. im- in + passion. Cf. Empassion, Impassionate, v.]

Defn: To move or affect strongly with passion. [Archaic] Chapman.

IMPASSIONABLE Im*pas"sion*a*ble, a.

Defn: Excitable; susceptible of strong emotion.

IMPASSIONATE Im*pas"sion*ate, a.

Defn: Strongly affected. Smart.

IMPASSIONATE Im*pas"sion*ate, v. t.

Defn: To affect powerfully; to arouse the passions of. Dr. H. More.

IMPASSIONATE Im*pas"sion*ate, a. Etym: [Pref. im- not + passionate.]

Defn: Without passion or feeling. Burton.

IMPASSIONED Im*pas"sioned, p. p. & a.

Defn: Actuated or characterized by passion or zeal; showing warmth of feeling; ardent; animated; excited; as, an impassioned orator or discourse.

IMPASSIVE Im*pas"sive, a.

Defn: Not susceptible of pain or suffering; apathetic; impassible; unmoved. Impassive as the marble in the quarry. De Quincey. On the impassive ice the lightings play. Pope. -- Im*pas"sive*ly, adv. -- Im*pas"sive*ness, n.

IMPASSIVITY Im`pas*siv"i*ty, n.

Defn: The quality of being insusceptible of feeling, pain, or suffering; impassiveness.

IMPASTATION Im`pas*ta"tion, n. Etym: [F. See Impaste.]

Defn: The act of making into paste; that which is formed into a paste or mixture; specifically, a combination of different substances by means of cements.

IMPASTE Im*paste", v. t. [imp. & p. p. Impasted; p. pr. & vb. n. Impasting.] Etym: [Pref. im- in + paste: cf. It. impastare, OF. empaster, F. empâter. See 1st In- and Paste.]

1. To knead; to make into paste; to concrete. "Blood . . . baked and impasted." Shak.

2. (Paint.)

Defn: To lay color on canvas by uniting them skillfully together. [R.] Cf. Impasto.

IMPASTING Im*past"ing, (Paint.)

Defn: The laying on of colors to produce impasto.

IMPASTO Im*pas"to, n. Etym: [It. See Impaste.] (Paint.)

Defn: The thickness of the layer or body of pigment applied by the painter to his canvas with especial reference to the juxtaposition of different colors and tints in forming a harmonious whole. Fairholt.

IMPASTURE Im*pas"ture, v. t.

Defn: To place in a pasture; to foster. [R.] T. Adams.

IMPATIBLE Im*pat"i*ble, a. Etym: [L. impatibilis; pref. im- not + patibilis supportable. See Patible.]

1. Not capable of being borne; impassible. A spirit, and so impatible of material fire. Fuller.

IMPATIENCE Im*pa"tience n. Etym: [OE. impacience, F. impatience, fr. L. impatientia.]

Defn: The quality of being impatient; want of endurance of pain, suffering, opposition, or delay; eagerness for change, or for something expected; restlessness; chafing of spirit; fretfulness; passion; as, the impatience of a child or an invalid. I then, . . . Out of my grief and my impatience, Answered neglectingly. Shak. With huge impatience he inly swelt More for great sorrow that he could not pass, Than for the burning torment which he felt. Spenser.

IMPATIENCY Im*pa"tien*cy, n.

Defn: Impatience. [Obs.]

IMPATIENS Im*pa"ti*ens, n. Etym: [L., impatient.] (Bot.)

Defn: A genus of plants, several species of which have very beautiful flowers; -- so called because the elastic capsules burst when touched, and scatter the seeds with considerable force. Called also touch-me-not, jewelweed, and snapweed. I. Balsamina (sometimes called lady's slipper) is the common garden balsam.

IMPATIENT Im*pa"tient, a. Etym: [OE. impacient, F. impatient, fr. L. impatiens; pref. im- not + patiens patient. See Patient.]

1. Not patient; not bearing with composure; intolerant; uneasy; fretful; restless, because of pain, delay, or opposition; eager for change, or for something expected; hasty; passionate; -- often followed by at, for, of, and under. A violent, sudden, and impatient necessity. Jer. Taylor. Fame, impatient of extremes, decays Not more by envy than excess of praise. Pope. The impatient man will not give himself time to be informed of the matter that lies before him. Addison. Dryden was poor and impatient of poverty. Macaulay.

2. Not to be borne; unendurable. [Obs.] Spenser.

3. Prompted by, or exhibiting, impatience; as, impatient speeches or replies. Shak.

Syn. -- Restless; uneasy; changeable; hot; eager; fretful; intolerant; passionate.

IMPATIENT Im*pa"tient, n.

Defn: One who is impatient. [R.]

IMPATIENTLY Im*pa"tient*ly, adv.

Defn: In an impatient manner.

IMPATRONIZATION Im*pat`ron*i*za"tion, n.

Defn: Absolute seignory or possession; the act of investing with such possession. [R.] Cotgrave.

IMPATRONIZE Im*pat"ron*ize, v. t. [imp. & p. p. Impatronized; p. pr. & vb. n. Impatronizing.]

Defn: To make lord or master; as, to impatronize one's self of a seigniory. [R.] Bacon.

IMPAVE Im*pave", v. t.

Defn: To pave. [Poetic] Impaved with rude fidelity Of art mosaic. Wordsworth.

IMPAVID Im*pav"id, a. Etym: [L. impavidus. See In- not, and Pavid.]

Defn: Fearless. -- Im*pav"id*ly, adv.

IMPAWN Im*pawn", v. t. [imp. & p. p. Impawned; p. pr. & vb. n. Impawning.] Etym: [Pref. im- + pawn: cf. Empawn.]

Defn: To put in pawn; to pledge. Shak.

IMPEACH Im*peach", v. t. [imp. & p. p. Impeached; p. pr. & vb. n. Impeaching.] Etym: [OE. empeechier to prevent, hinder, bar, F. empêcher, L. impedicare to entangle; pref. im- in + pedica fetter, fr. pes, pedis, foot. See Foot, and Appeach, Dispatch, Impede.]

1. To hinder; to impede; to prevent. [Obs.] These ungracious practices of his sons did impeach his journey to the Holy Land. Sir J. Davies. A defluxion on my throat impeached my utterance. Howell.

2. To charge with a crime or misdemeanor; to accuse; especially to charge (a public officer), before a competent tribunal, with misbehavior in office; to cite before a tribunal for judgement of official misconduct; to arraign; as, to impeach a judge. See Impeachment.

3. Hence, to charge with impropriety; to dishonor; to bring discredit on; to call in question; as, to impeach one's motives or conduct. And doth impeach the freedom of the state. Shak.

4. (Law)

Defn: To challenge or discredit the credibility of, as of a witness, or the validity of, as of commercial paper.

Note: When used in law with reference to a witness, the term signifies, to discredit, to show or prove unreliable or unworthy of belief; when used in reference to the credit of witness, the term denotes, to impair, to lessen, to disparage, to destroy. The credit of a witness may be impeached by showing that he has made statements out of court contradictory to what he swears at the trial, or by showing that his reputation for veracity is bad, etc.

Syn. -- To accuse; arraign; censure; criminate; indict; impair; disparage; discredit. See Accuse.

IMPEACH Im*peach", n.

Defn: Hindrance; impeachment. [Obs.]

IMPEACHABLE Im*peach"a*ble, a.

Defn: That may be impeached; liable to impeachment; chargeable with a crime. Owners of lands in fee simple are not impeachable for waste. Z. Swift.

IMPEACHER Im*peach"er, n.

Defn: One who impeaches.

IMPEACHMENT Im*peach"ment, n. Etym: [Cf. F. empêchement.]

Defn: The act of impeaching, or the state of being impeached; as: (a) Hindrance; impediment; obstruction. [Obs.] Willing to march on to Calais, Without impeachment. Shak.

(b) A calling to account; arraignment; especially, of a public officer for maladministration. The consequence of Coriolanus' impeachment had like to have been fatal to their state. Swift.

(c) A calling in question as to purity of motives, rectitude of conduct, credibility, etc.; accusation; reproach; as, an impeachment of motives. Shak.

Note: In England, it is the privilege or right of the House of Commons to impeach, and the right of the House of Lords to try and determine impeachments. In the United States, it is the right of the House of Representatives to impeach, and of the Senate to try and determine impeachments. Articles of impeachment. See under Article. -- Impeachment of waste (Law), restraint from, or accountability for, injury; also, a suit for damages for injury. Abbott.

IMPEARL Im*pearl", v. t. [imp. & p. p. Impearled; p. pr. & vb. n. Impearling.] Etym: [Pref. im- in + pearl: cf. F. emperler.]

1. To form into pearls, or into that which resembles pearls. [Poetic] Dewdrops which the sun Impearls on every leaf and every flower. Milton.

2. To decorate as with pearls or with anything resembling pearls. [Poetic] With morning dews impearled. Mrs. Browning. The dews of the morning impearl every thorn. R. Digby.

IMPECCABILITY Im*pec`ca*bil"i*ty, n. Etym: [Cf. F. impeccabilité.]

Defn: the quality of being impeccable; exemption from sin, error, or offense. Infallibility and impeccability are two of his attributes. Pope.

IMPECCABLE Im*pec"ca*ble, a. Etym: [L. impeccabilis; pref. im- not + peccare to err, to sin: cf. F. impeccable.]

Defn: Not liable to sin; exempt from the possibility of doing wrong. -- n.

Defn: One who is impeccable; esp., one of a sect of Gnostic heretics who asserted their sinlessness. God is infallible, impeccable, and absolutely perfect. P. Skelton.

IMPECCANCY Im*pec"can*cy, n.

Defn: Sinlessness. Bp. Hall.

IMPECCANT Im*pec"cant, a.

Defn: Sinless; impeccable. Byron.

IMPECUNIOSITY Im`pe*cu`ni*os"i*ty, n.

Defn: The state of being impecunious. Thackeray. Sir W. Scott.

IMPECUNIOUS Im"pe*cu"ni*ous, a. Etym: [L. im- not + pecunia money: cf. F. impécunieux.]

Defn: Not having money; habitually without money; poor. An impecunious creature. B. Jonson.

IMPEDANCE Im*ped"ance, n. [Impede + -ance.] (Elec.)

Defn: The apparent resistance in an electric circuit to the flow of an alternating current, analogous to the actual electrical resistance to a direct current, being the ratio of electromotive force to the current. It is equal to R2 + X2, where R = ohmic resistance, X = reactance. For an inductive circuit, X = 2pfL, where f = frequency and L = self-inductance; for a circuit with capacity X = 1 ÷ 2pfC, where C = capacity.

IMPEDE Im*pede", v. t. [imp. & p. p. Impeded; p. pr. & vb. n. Impeding.] Etym: [L. impedire, lit., to entangle the feet; pref. im- in + pes, pedis, foot. See Foot, and cf. Impeach.]

Defn: To hinder; to stop in progress; to obstruct; as, to impede the advance of troops. Whatever hinders or impedes The action of the nobler will. Logfellow.

IMPEDIBLE Im*ped"i*ble, a.

Defn: Capable of being impeded or hindered. [R.] Jer. Taylor.

IMPEDIMENT Im*ped"i*ment, n. Etym: [L. impedimentum: cf. F. impediment.]

Defn: That which impedes or hinders progress, motion, activity, or effect. Thus far into the bowels of the land Have we marched on without impediment. Shak. Impediment in speech, a defect which prevents distinct utterance.

Syn. -- Hindrance; obstruction; obstacle; difficulty; incumbrance. -- Impediment, Obstacle, Difficulty, Hindrance. An impediment literally strikes against our feet, checking our progress, and we remove it. An obstacle rises before us in our path, and we surmount or remove it. A difficulty sets before us something hard to be done, and we encounter it and overcome it. A hindrance holds us back for a time, but we break away from it. The eloquence of Demosthenes was to Philip of Macedon, a difficulty to be met with his best recources, ant obstacle to his own ambition, and an impedimen in his political career. C. J. Smith.

IMPEDIMENT Im*ped"i*ment, v. t.

Defn: To impede. [R.] Bp. Reynolds.

IMPEDIMENTA Im*ped`i*men"ta, n. pl. [L. See Impediment, Impede.]

Defn: Things which impede or hinder progress; incumbrances; baggage; specif. (Mil.),

Defn: the supply trains which must accompany an army.

On the plains they will have horses dragging travoises, dogs with travoises, women and children loaded with impedimenta. Julian Ralph.

IMPEDIMENTAL Im*ped`i*men"tal, a.

Defn: Of the nature of an impediment; hindering; obstructing; impeditive. Things so impediental to success. G. H. Lewes.

IMPEDITE Im"pe*dite, a. Etym: [L. impeditus, p. p. See Impede.]

Defn: Hindered; obstructed. [R.] Jer. Taylor.

IMPEDITE Im"pe*dite, v. t.

Defn: To impede. [Obs.] Boyle.

IMPEDITION Im"pe*di"tion, n. Etym: [L. impeditio.]

Defn: A hindering; a hindrance. [Obs.] Baxier.

IMPEDITIVE Im*ped"i*tive, a. Etym: [Cf. F. impéditif.]

Defn: Causing hindrance; impeding. "Cumbersome, and impeditive of motion." Bp. Hall.

IMPEL Im*pel", v. t. [imp. & p. p. Impelled; p. pr. & vb. n. Impelling.] Etym: [L. impellere; pref. im- in + pellere, pulsum, to drive. See Pulse a beat, and cf. Impulse.]

Defn: To drive or urge forward or on; to press on; to incite to action or motion in any way. The surge impelled me on a craggy coast. Pope.

Syn. -- To instigate; incite; induce; influence; force; drive; urge; actuate; move.

IMPELLENT Im*pel"lent, a. Etym: [L. impellens, p. pr. of impellere.]

Defn: Having the quality of impelling.

IMPELLENT Im*pel"lent, n.

Defn: An impelling power or force. Glanvill.

IMPELLER Im*pel"ler, n.

Defn: One who, or that which, impels.

IMPEN Im*pen", v. t. [imp. & p. p. Impenned and Impent (; p. pr. & vb. n. Impenning.]

Defn: To shut up or inclose, as in a pen. Feltham.

IMPEND Im*pend", v. t. Etym: [L. impend; pref. im- in + pend to weigh out, pay.]

Defn: To pay. [Obs.] Fabyan.

IMPEND Im*pend", v. i. [imp. & p. p. Impended; p. pr. & vb. n. Impending.] Etym: [L. impendere; pref. im- in + pendere to hang. See Pendant.]

Defn: To hang over; to be suspended above; to threaten frome near at hand; to menace; to be imminent. See Imminent. Destruction sure o'er all your heads impends. Pope.

IMPENDENCE; IMPENDENCY Im*pend"ence, Im*pend"en*cy, n.

Defn: The state of impending; also, that which impends. "Impendence of volcanic cloud." Ruskin.

IMPENDENT Im*pend"ent, a. Etym: [L. impendens, p. pr. of impendere.]

Defn: Impending; threatening. Impendent horrors, threatening hideous fall. Milton.

IMPENDING Im*pend"ing, a.

Defn: Hanging over; overhanging; suspended so as to menace; imminet; threatening. An impending brow. Hawthorne. And nodding Ilion waits th' impending fall. Pope.

Syn. -- Imminent; threatening. See Imminent.

IMPENETRABILITY Im*pen`e*tra*bil"i*ty, n. Etym: [Cf. F. impénétrabilité.]

1. Quality of being impenetrable.

2. (Physics)

Defn: That property in virtue of which two portions of matter can not at the same time occupy the same portion of space.

3. Insusceptibility of intellectual or emotional impression; obtuseness; stupidity; coldness.

IMPENETRABLE Im*pen"e*tra*ble, a. Etym: [L. impenetrabilis; pref. im- not + penetrabilis penetrable: cf. F. impénétrable.]

1. Incapable of being penetrated or pierced; not admitting the passage of other bodies; not to be entered; impervious; as, an impenetrable shield. Highest woods impenetrable To star or sunlight. Milton.

2. (Physics)

Defn: Having the property of preventing any other substance from occupying the same space at the same time.

3. Inaccessible, as to knowledge, reason, sympathy, etc.; unimpressible; not to be moved by arguments or motives; as, an impenetrable mind, or heart. They will be credulous in all affairs of life, but impenetrable by a sermon of the gospel. Jer. Taylor.

IMPENETRABLENESS Im*pen"e*tra*ble*ness, n.

Defn: The quality of being impenetrable; impenetrability.

IMPENETRABLY Im*pen"e*tra*bly, adv.

Defn: In an impenetrable manner or state; imperviously. "Impenetrably armed." Milton. "Impenetrably dull." Pope.

IMPENITENCE Im*pen"i*tence, n. Etym: [L. impenitentia: cf. F. impénitence.]

Defn: The condition of being impenitent; failure or refusal to repent; hardness of heart. He will advance from one degree of wickedness and impenitence to another. Rogers.

IMPENITENCY Im*pen"i*ten*cy, n.

Defn: Impenitence. Milton.

IMPENITENT Im*pen"i*tent, a. Etym: [L. impaenitens; pref. im- not + paenitens penitens: cf. F. impénitent. See Penitent.]

Defn: Not penitent; not repenting of sin; not contrite; of a hard heart. "They . . . died impenitent." Milton. "A careless and impenitent heart." Bp. Hall.

IMPENITENT Im*pen"i*tent, n.

Defn: One who is not penitent. [R.]

IMPENITENTLY Im*pen"i*tent*ly, adv.

Defn: Without repentance.

IMPENNATE Im*pen"nate, a. (Zoöl.)

Defn: Characterized by short wings covered with feathers resembling scales, as the penguins. -- n.

Defn: One of the Impennes.

IMPENNES Im*pen"nes, n. pl. Etym: [NL., fr. L. pref. im- not + penna feather.] (Zoöl.)

Defn: An order of birds, including only the penguins, in which the wings are without quills, and not suited for flight.

IMPENNOUS Im*pen"nous a. Etym: [L. pref. im- not + penna wing.] (Zoöl.)

Defn: Having no wings, as some insects.

IMPEOPLE Im*peo"ple, v. t. [imp. & p. p. Impeopled; p. pr. & vb. n. Impeopling.] Etym: [See Empeople.]

Defn: To people; to give a population to. [Obs.] Thou hast helped to impeople hell. Beaumont.

IMPERANT Im"pe*rant, a. Etym: [L. imperans, p. pr. of imperare to command.]

Defn: Commanding. [R.] Baxter.

IMPERATE Im"pe*rate, a. Etym: [L. imperatus, p. p. of imperare to command.]

Defn: Done by express direction; not involuntary; communded. [Obs.] Those imperate acts, wherein we see the empire of the soul. Sir M. Hale.

IMPERATIVAL Im*per`a*ti"val, a. (Gram.)

Defn: Of or pertaining to the imperative mood.

IMPERATIVE Im*per"a*tive, a. Etym: [L. imperativus, fr. imperare to command; pref. im- in + parare to make ready, prepare: cf. F. impératif. See Perade, and cf. Empire.]

1. Expressive of command; containing positive command; authoritatively or absolutely directive; commanding; authoritative; as, imperative orders. The suit of kings are imperative. Bp. Hall.

2. Not to be avoided or evaded; obligatory; binding; compulsory; as, an imperative duty or order.

3. (Gram.)

Defn: Expressive of commund, entreaty, advice, or exhortation; as, the imperative mood.

IMPERATIVE Im*per"a*tive, n. (Gram.)

Defn: The imperative mood; also, a verb in the imperative mood.

IMPERATIVELY Im*per"a*tive*ly, adv.

Defn: In an imperative manner.

IMPERATOR Im`pe*ra"tor, n. Etym: [L. See Emperor.] (Rom. Antiq.)

Defn: A commander; a leader; an emperor; -- originally an appellation of honor by which Roman soldiers saluted their general after an important victory. Subsequently the title was conferred as a recognition of great military achievements by the senate, whence it carried wiht it some special privileges. After the downfall of the Republic it was assumed by Augustus and his successors, and came to have the meaning now attached to the word emperor.

IMPERATORIAL Im*per`a*to"ri*al, a. Etym: [L. imperatorius.]

1. Commanding; imperative; authoritative.

2. Of or pertaining to the title or office of imperator. "Imperatorial laurels." C. Merivale.

IMPERATORIAN Im*per`a*to"ri*an, a.

Defn: Imperial. [R.] Gauden.

IMPERATORY Im*per"a*to*ry, a.

Defn: Imperative. [R.]

IMPERCEIVABLE Im`per*ceiv"a*ble, a.

Defn: Imperceptible. [R.] South. -- Im`per*ceiv"a*ble*ness, n. Sharp.

IMPERCEIVED Im`per*ceived", a.

Defn: Not perceived. [Obs.]

IMPERCEPTIBILITY Im`per*cep`ti*bil"i*ty, n.

Defn: The state or quality of being imperceptible.

IMPERCEPTIBLE Im`per*cep"ti*ble, a. Etym: [Pref. im- not + perceptible: cf. F. imperceptible.]

Defn: Not perceptible; not to be apprehended or cognized by the souses; not discernible by the mind; not easily apprehended. Almost imperceptible to the touch. Dryden. Its operation is slow, and in some cases almost imperceptible. Burke. -- Im`per*cep"ti*ble*ness, n. -- Im`per*cep"ti*bly, adv. Their . . . subility and imperceptibleness. Sir M. Hale.

IMPERCEPTION Im`per*cep"tion, n.

Defn: Want of perception.

IMPERCEPTIVE Im`per*cep"tive, a.

Defn: Unable to perceive. The imperceptive part of the soul. Dr. H. More.

IMPERCIPIENT Im`per*cip"i*ent, a.

Defn: Not perceiving, or not able to perceive. A. Baxter.

IMPERDIBILITY Im*per`di*bil"i*ty, n.

Defn: The state or quality of being imperdible. [Obs.] Derham.

IMPERDIBLE Im*per"di*ble, a. Etym: [Pref. im- not + L. perdere to destroy.]

Defn: Not destructible. [Obs.] -- Im*per"di*bly, adv. [Obs.]

IMPERFECT Im*per"fect, a. Etym: [L. imperfectus: pref. im- not + perfectus perfect: cf. F imparfait, whence OE. imparfit. See Perfect.]

1. Not perfect; not complete in all its parts; wanting a part; deective; deficient. Something he left imperfect in the state. Shak. Why, then, your other senses grow imperfect. Shak.

2. Wanting in some elementary organ that is essential to successful or normal activity. He . . . stammered like a child, or an amazed, imperfect person. Jer. Taylor.

3. Not fulfilling its design; not realizing an ideal; not conformed to a standard or rule; not satisfying the taste or conscience; esthetically or morally defective. Nothing imperfect or deficient left Of all that he created. Milton. Then say not man's imperfect, Heaven in fault; Say rather, man's as perfect as he ought. Pope. Imperfect arch, an arch of less than a semicircle; a skew arch. -- Imperfect cadence (Mus.), one not ending with the tonic, but with the dominant or some other chord; one not giving complete rest; a half close. -- Imperfect consonances (Mus.), chords like the third and sixth, whose ratios are less simple than those of the fifth and forth. -- Imperfect flower (Bot.), a flower wanting either stamens or pistils. Gray. -- Imperfect interval (Mus.), one a semitone less than perfect; as, an imperfect fifth. -- Imperfect number (Math.), a number either greater or less than the sum of its several divisors; in the former case, it is called also a defective number; in the latter, an abundant number. -- Imperfect obligations (Law), obligations as of charity or gratitude, which cannot be enforced by law. -- Imperfect power (Math.), a number which can not be produced by taking any whole number or vulgar fraction, as a factor, the number of times indicated by the power; thus, 9 is a perfect square, but an imperfect cube. -- Imperfect tense (Gram), a tense expressing past time and incomplete action.

IMPERFECT Im*per"fect, n. (Gram.)

Defn: The imperfect tense; or the form of a verb denoting the imperfect tense.

IMPERFECT Im*per"fect, v. t.

Defn: To make imperfect. [Obs.]

IMPERFECTIBILITY Im`per*fec`ti*bil"i*ty, n.

Defn: The state or quality of being imperfectible. [R.]

IMPERFECTIBLE Im`per*fec"ti*ble, a.

Defn: Incapable of being mad perfect. [R.]

IMPERFECTION Im`per*fec"tion, n. Etym: [L. imperfectio: cf. F. imperfection. See Imperfect, a.]

Defn: The quality or condition of being imperfect; want of perfection; incompleteness; deficiency; fault or blemish. Sent to my account With all my imperfections on my head. Shak.

Syn. -- Defect; deficiency; incompleteness; fault; failing; weakness; frailty; foible; blemish; vice.

IMPERFECTNESS Im*per"fect*ness, n.

Defn: The state of being imperfect.

IMPERFORABLE Im*per"fo*ra*ble, a. Etym: [See Imperforate.]

Defn: Incapable of being perforated, or bored through.

IMPERFORATA Im*per"fo*ra"ta, n. pl. Etym: [NL. See Imperforate.] (Zoöl.)

Defn: A division of Foraminifera, including those in which the shell is not porous.

IMPERFORATE; IMPERFORATED Im*per"fo*rate, Im*per"fo*ra"ted, a. Etym: [L. pref. im- not + perforatus, p. p. of perforate to perforate. See Perforate.]

Defn: Not perforated; having no opening or aperture. Sir J. Banks.

IMPERFORATION Im*per`fo*ra"tion, n. Etym: [Cf. F. imperforation.]

Defn: The state of being without perforation.

IMPERIAL Im*pe"ri*al, a. Etym: [OE. emperial, OF. emperial, F. impérial, fr. L. imperialis, fr. imperium command, sovereignty, empire. See Empire.]

1. Of or pertaining to an empire, or to an emperor; as, an imperial government; imperial authority or edict. The last That wore the imperial diadem of Rome. Shak.

2. Belonging to, or suitable to, supreme authority, or one who wields it; royal; sovereign; supreme. "The imperial democracy of Athens." Mitford. Who, as Ulysses says, opinion crowns With an imperial voice. Shak. To tame the proud, the fetter'd slave to free, These are imperial arts, and worthy thee. Dryden. He sounds his imperial clarion along the whole line of battle. E. Everett.

3. Of superior or unusual size or excellence; as, imperial paper; imperial tea, etc. Imperial bushel, gallon, etc. See Bushel, Gallon, etc. -- Imperial chamber, the, the sovereign court of the old German empire. -- Imperial city, under the first German empire, a city having no head but the emperor. -- Imperial diet, an assembly of all the states of the German empire. -- Imperial drill. (Manuf.) See under 8th Drill. -- Imperial eagle. (Zoöl.) See Eagle. -- Imperial green. See Paris green, under Green. -- Imperial guard, the royal guard instituted by Napoleon I. -- Imperial weights and measures, the standards legalized by the British Parliament.

IMPERIAL Im*pe"ri*al, n. Etym: [F. impériale: cf. Sp. imperial.]

1. The tuft of hair on a man's lower lip and chin; -- so called from the style of beard of Napoleon III.

2. An outside seat on a diligence. T. Hughes.

3. A luggage case on the top of a coach. Simmonds.

4. Anything of unusual size or excellence, as a large decanter, a kind of large photograph, a large sheet of drowing, printing, or writing paper, etc.

5. A gold coin of Russia worth ten rubles, or about eight dollars. McElrath.

6. A kind of fine cloth brought into England from Greece. or other Eastern countries, in the Middle Ages.

IMPERIALISM Im*pe"ri*al*ism, n.

Defn: The power or character of an emperor; imperial authority; the spirit of empire. Roman imperialism had divided the world. C. H. Pearson.

IMPERIALIST Im*pe"ri*al*ist, n. Etym: [Cf. F. impérialiste.]

Defn: One who serves an emperor; one who favors imperialism.

IMPERIALITY Im*pe`ri*al"i*ty, n.; pl. Imperialities (.

1. Imperial power.

2. An imperial right or privilegs. See Royalty. The late empress having, by ukases of grace, relinquished her imperialities on the private mines, viz., the tenths of the copper, iron, silver and gold. W. Tooke.

IMPERIALIZE Im*pe"ri*al*ize, v. t. [imp. & p. p. Imperialized; p. pr. & vb. n. Imperializing.]

Defn: To invest with imperial authority, character, or style; to bring to the form of an empire. Fuller.

IMPERIALLY Im*pe"ri*al*ly, adv.

Defn: In an imperial manner.

IMPERIALLY Im*pe"ri*al*ly, n.

Defn: Imperial power. [R.] Sheldon.

IMPERIL Im*per"il, v. t. [imp. & p. p. Imperiled or Imperilled; p. pr. & vb. n. Imperiling or Imperilling.]

Defn: To bring into peril; to endanger.

IMPERILMENT Im*per"il*ment, n.

Defn: The act of imperiling, or the state of being imperiled.

IMPERIOUS Im*pe"ri*ous, a. Etym: [L. imperiosus: cf. F. impérieux. See Imperial.]

1. Commanding; ascendant; imperial; lordly; majestic. [Obs.] "A vast and imperious mind." Tilloison. Therefore, great lords, be, as your titles witness, Imperious. Shak.

2. Haughly; arrogant; overbearing; as, an imperious tyrant; an imperious manner. This imperious man will work us all From princes into pages. Shak. His bold, contemptuous, and imperious spirit soon made him conspicuous. Macaulay.

3. Imperative; urgent; compelling. Imperious need, which can not be withstood. Dryden.

Syn. -- Dictatorial; haughty; domineering; overbearing; lordly; tyrannical; despotic; arrogant; imperative; authoritative; commanding; pressing. -- Imperious, Lordly, Domineering. One who is imperious exercises his authority in a manner highly offensive for its spirit and tone; one who is lordly assumes a lofty air in order to display his importance; one who is domineering gives orders in a way to make other feel their inferiority.

IMPERIOUSLY Im*pe"ri*ous*ly, adv.

Defn: In an imperious manner.

IMPERIOUSNESS Im*pe"ri*ous*ness, n.

Defn: The quality or state of being imperious; arrogance; haughtiness. Imperiousness and severity is but an ill way of treating men who have reason of their own to guide them. Locke.

IMPERISHABILITY Im*per`ish*a*bil"i*ty, n.

Defn: The quality of being imperishable: indstructibility. "The imperishability of the universe." Milman.

IMPERISHABLE Im*per"ish*a*ble, a. Etym: [Pref. im- not + perishable: cf. F. impérissable.]

Defn: Not perisha ble; not subject to decay; indestructible; enduringpermanently; as, an imperishable monument; imperishable renown. -- Im*per"ish*a*ble*ness, n. -- Im*per"ish*a*bly, adv.

IMPERIUM Im*pe"ri*um, n.; pl. Imperia (#). [L. See Empire.]

1. Supreme power; absolute dominion; empire.

2. (Law) The right to command, which includes the right to employ the force of the state to enforce the laws. It is one of the principal attributes of the executive power.

IMPERIWIGGED Im*per"i"wigged, a.

Defn: Wearing a periwig.

IMPERMANENCE; IMPERMANENCY Im*per"ma*nence, Im*per"ma*nen*cy, n.

Defn: Want of permanence.

IMPERMANENT Im*per"ma*nent, a.

Defn: Not permanent.

IMPERMEABILITY Im*per`me*a*bil"i*ty, n. Etym: [Pref. im- not + permeability: cf. F. imperméabilité.]

Defn: The quality of being impermeable.

IMPERMEABLE Im*per"me*a*ble, a. Etym: [Pref. im- not + permeable: cf. F. imperméable, L. impermeabilis.]

Defn: Not permeable; not permitting passage, as of a fluid. through its substance; impervious; impenetrable; as, India rubber is impermeable to water and to air. -- Im*per"me*a*ble*ness, n. -- Im*per"me*a*bly, adv.

IMPERMISSIBLE Im`per*mis"si*ble, a.

Defn: Not permissible.

IMPERSCRUTABLE Im`per*scru"ta*ble, a. Etym: [L. imperscrutabilis.]

Defn: Not capable of being searched out; inscrutable. [Obs.] -- Im`per*scru"ta*ble*ness, n. [Obs.]

IMPERSEVERANT Im`per*sev"er*ant, a.

Defn: Not persevering; fickle; thoughtless. [Obs.]

IMPERSONAL Im*per"son*al, a. Etym: [L. impersonalis; pref. im- not + personalis personal: cf. F. impersonnel. See Personal.]

Defn: Not personal; not representing a person; not having personality. An almighty but impersonal power, called Fate. Sir J. Stephen. Impersonal verb (Gram.), a verb used with an indeterminate subject, commonly, in English, with the impersonal pronoun it; as, it rains; it snows; methinks (it seems to me). Many verbs which are not strictly impersonal are often used impersonally; as, it goes well with him.

IMPERSONAL Im*per"son*al, n.

Defn: That which wants personality; specifically (Gram.), an impersonal verb.

IMPERSONALITY Im*per`son*al"i*ty, n.

Defn: The quality of being impersonal; want or absence of personality.

IMPERSONALLY Im*per"son*al*ly, adv.

Defn: In an impersonal manner.

IMPERSONATE Im*per"son*ate, v. t. [imp. & p. p. Impersonated; p. pr. & vb. n. Impersonating.]

1. To invest with personality; to endow with the form of a living being.

2. To ascribe the qualities of a person to; to personify.

3. To assume, or to represent, the person or character of; to personate; as, he impersonated Macbeth. Benedict impersonated his age. Milman.

IMPERSONATION; IMPERSONIFICATION Im*per`son*a"tion, Im`per*son`i*fi*ca"tion, n.

Defn: The act of impersonating; personification; investment with personality; representation in a personal form.

IMPERSONATOR Im*per"son*a`tor, n.

Defn: One who impersonates; an actor; a mimic.

IMPERSPICUITY Im*per`spi*cu"i*ty, n.

Defn: Want of perspicuity or clearness; vaguness; ambiguity.

IMPERSPICUOUS Im`per*spic"u*ous, a.

Defn: Not perspicuous; not clear; obscure; vague; ambeguous.

IMPERSUADABLE Im`per*suad"a*ble, a. Etym: [Cf. Impersuasible.]

Defn: Not to be persuaded; obstinate; unyielding; impersuasible. -- Im`per*suad"a*ble*ness, n.

IMPERSUASIBLE Im`per*sua"si*ble, a. Etym: [Pref. im- not + persuasible: cf. OF. impersuasible.]

Defn: Not persuasible; not to be moved by persuasion; inflexible; impersuadable. Dr. H. More. -- Im`per*sua`si*bil"i*ty, n.

IMPERTINENCE Im*per"ti*nence, n. Etym: [Cf. F. impertinence. See Impertinent.]

1. The condition or quality of being impertnent; absence of pertinence, or of adaptedness; irrelevance; unfitness.

2. Conduct or language unbecoming the person, the society, or the circumstances; rudeness; incivility. We should avoid the vexation and impertinence of pedants who affect to talk in a language not to be understood. Swift.

3. That which is impertinent; a thing out of place, or of no value. There are many subtile impertinences learned in schools. Watts.

IMPERTINENCY Im*per"ti*nen*cy, n.

Defn: Impertinence. [R.] O, matter and impertinency mixed! Reason in madness! Shak.

IMPERTINENT Im*per"ti*nent, a. Etym: [F., fr. L. impertinens, -entis; pref. im- not + pertinens. See Pertinent.]

1. Not pertinent; not pertaining to the matter in hand; having no bearing on the subject; not to the point; irrelevant; inapplicable. Things that are impertinent to us. Tillotson. How impertinent that grief was which served no end! Jer. Taylor.

2. Contrary to, or offending against, the rules of propriety or good breeding; guilty of, or prone to, rude, unbecoming, or uncivil words or actions; as, an impertient coxcomb; an impertient remark.

3. Trifing; inattentive; frivolous.

Syn. -- Rude; officious; intrusive; saucy; unmannerly; meddlesome; disrespectful; impudent; insolent. -- Impertinent, Officious, Rude. A person is officious who obtrudes his offices or assistance where they are not needed; he is impertinent when he intermeddles in things with which he has no concern. The former shows a want of tact, the latter a want of breeding, or, more commonly, a spirit of sheer impudence. A person is rude when he violates the proprieties of social life either from ignorance or wantonness. "An impertinent man will ask questions for the mere grafication of curiosity; a rude man will burst into the room of another, or push against his person, inviolant of all decorum; one who is officious is quite as unfortunate as he is troublesome; when he strives to serve, he has the misfortune to annoy." Crabb. See Impudence, and Insolent.

IMPERTINENT Im*per"ti*nent, n.

Defn: An impertinent person. [R.]

IMPERTINENTLY Im*per"ti*nent*ly, adv.

Defn: In an impertinent manner. "Not to betray myself impertinently." B. Jonson.

IMPERTRANSIBILITY Im`per*tran`si*bil"i*ty, n.

Defn: The quality or state of being impertransible. [R.]

IMPERTRANSIBLE Im`per*tran"si*ble, a. Etym: [L. pref. im- not + pertransire to go through. See Per- and Transient.]

Defn: Incapable of being passed through. [R.]

IMPERTURBABILITY Im`per*turb`a*bil"i*ty, n.

Defn: The state or quality of being imperturbable. [1913 Webster]

IMPERTURBABLE Im`per*turb"a*ble, a. Etym: [L. imperturbabilis; pref. im- not + perturbare to disturb: cf. F. imperturbable. See Perture.]

Defn: Incapable of being disturbed or disconcerted; as, imperturbable gravity.

IMPERTURBABLY Im`per*turb"a*bly, adv.

Defn: In an imperturbable manner; calmly. C. Bronté.

IMPERTURBATION Im*per`tur*ba"tion, n. Etym: [L. imperturbatio.]

Defn: Freedom from agitation of mind; calmness; quietude. W. Montagu.

IMPERTURBED Im`per*turbed", a.

Defn: Not perturbed.

IMPERVIABILITY Im*per`vi*a*bil"i*ty, n.

Defn: The quality of being imperviable.

IMPERVIABLE Im*per"vi*a*ble, a.

Defn: Not pervious; impervious. [R.] -- Im*per"vi*a*ble*ness, n. [R.]

IMPERVIOUS Im*per"vi*ous, a. Etym: [L. impervius; pref. im- not + per through + via way. See Voyage.]

Defn: Not pervious; not admitting of entrance or passage through; as, a substance impervious to water or air. This gulf impassable, impervious. Milton. The minds of these zealots were absolutely impervious. Macaulay.

Syn. -- Impassable; pathless; impenetrable; imperviable; impermeable. -- Im*per"vi*ous*ly, adv. -- Im*per"vi*ous*ness, n.

IMPERY Im"per*y, n.

Defn: Empery. [Archaic] Joye.

IMPEST Im*pest", v. t.

Defn: To affict with pestilence; to infect, as with plague. [Obs.]

IMPESTER Im*pes"ter, v. t.

Defn: See Pester. [Obs.]

IMPETIGINOUS Im`pe*tig"i*nous, a. Etym: [L. impetiginous: cf. F. impétigineux.]

Defn: Of the nature of, or pertaining to, impetigo.

IMPETIGO Im`pe*ti"go, n. Etym: [L., fr. impetere to attack.] (Med.)

Defn: A cutaneous, pustular eruption, not attended with fever; usually, a kind of eczema with pustulation.

IMPETRABLE Im"pe*tra*ble a. Etym: [L. impetrabilis: cf. F. impétrable. See Impetrate.]

Defn: Capable of being obtained or moved by petition. [Obs.] Bailey.

IMPETRATE Im"pe*trate, a. Etym: [L. impetratus, p. p. of impetrare to obtain; pref. im- in + patrare to bring to pass.]

Defn: Obtained by entreaty. [Obs.] Ld. Herbert.

IMPETRATE Im"pe*trate, v. t. [imp. & p. p. Impetrated; p. pr. & vb. n. Impetrating.]

Defn: To obtain by request or entreaty. Usher.

IMPETRATION Im`pe*tra"tion, n. Etym: [L. impetratio: cf. F. impétration.]

1. The act of impetrating, or obtaining by petition or entreaty. [Obs.] In way of impertation procuring the removal or allevation of our crosses. Barrow.

2. (Old Eng. Law)

Defn: The obtaining of benefice from Rome by solicitation, which benefice belonged to the disposal of the king or other lay patron of the realm.

IMPETRATIVE Im"pe*tra*tive, a. Etym: [L. impetrativus obtained by entreaty.]

Defn: Of the nature of impetration; getting, or tending to get, by entreaty. [Obs.] Bp. Hall.

IMPETRATORY Im"pe*tra*to*ry, a.

Defn: Containing or expressing entreaty. [Obs.] Jer. Taylor.

IMPETUOSITY Im*pet`u*os"i*ty, n. Etym: [Cf. F. impétuosité.]

1. The condition or quality of being impetuous; fury; violence.

2. Vehemence, or furiousnes of temper. Shak.

IMPETUOUS Im*pet"u*ous, a. Etym: [F. impetueux, L. impetuosus. See Impetus.]

1. Rushing with force and violence; moving with impetus; furious; forcible; violent; as, an impetuous wind; an impetuous torrent. Went pouring forward with impetuous speed. Byron.

2. Vehement in feeling; hasty; passionate; violent; as, a man of impetuous temper. The people, on their holidays, Impetuous, insolent, unquenchable. Milton.

Syn. -- Forcible; rapid; hasty; precipitate; furious; boisterous; violent; raging; fierce; passionate. -- Im*pet"u*ous*ly, adv. -- Im*pet"u*ous*ness, n.

IMPETUS Im"pe*tus, n. Etym: [L., fr. impetere to rush upon, attack; pref. im- in + petere to fall upon, seek. See Petition.]

1. A property possessed by a moving body in virtue of its weight and its motion; the force with which any body is driven or impelled; momentum.

Note: Momentum is the technical term, impetus its popular equivalent, yet differing from it as applied commonly to bodies moving or moved suddenly or violently, and indicating the origin and intensity of the motion, rather than its quantity or effectiveness.

2. Fig.: Impulse; incentive; vigor; force. Buckle.

3. (Gun.)

Defn: The aititude through which a heavy body must fall to acquire a velocity equal to that with which a ball is discharged from a piece.

IMPEYAN PHEASANT Im"pey*an pheas"ant. Etym: [From Lady Impey, who attempted to naturalize the bird in England.] (Zoöl.)

Defn: An Indian crested pheasant of the genus Lophophorus. Several species are known. Called also monaul, monal.

Note: They are remarkable for the bright color and brilliant matallic hues of their plumage. The best known species (L. Impeyanus) has the neck of a brilliant metallic red, changing to golden yellow in certain lights.

IMPHEE Im"phee, n. (Bot.)

Defn: The African sugar cane (Holcus saccharatus), -- resembling the sorghum, or Chinese sugar cane.

IMPI Im"pi (im"pi), n. [Zulu.]

Defn: A body of Kaffir warriors; a body of native armed men. [South Africa]

As early as 1862 he crossed assagais with and defeated a Matabili impi (war band). James Bryce.

IMPICTURED Im*pic"tured, a.

Defn: Pictured; impressed. [Obs.] Spenser.

IMPIERCE Im*pierce", v. t. Etym: [Pref. im- in + pierce. Cf. Empierce.]

Defn: To pierce; to penetrate. [Obs.] Drayton.

IMPIERCEABLE Im*pierce"a*ble a.

Defn: Not capable of being pierced; impenetrable. [Obs.] Spenser.

IMPIETY Im*pi"e*ty, n.; pl. Impieties (. Etym: [L. impietas, fr. impius impious; cf. F. impiété. See Impious, Piety.]

1. The quality of being impious; want of piety; irreverence toward the Supreme Being; ungodliness; wickedness.

2. An impious act; an act of wickednes. Those impieties for the which they are now visited. Shak.

Syn. -- Ungodliness; irreligion; unrighteousness; sinfulness; profaneness; wickedness; godlessness.

IMPIGNORATE Im*pig"no*rate, v. t. Etym: [LL. impignoratus, p. pl of impignorare to pawn. See Pignoration.]

Defn: To pledge or pawn. [Obs.] Laing.

IMPIGNORATION Im*pig`no*ra"tion, n. Etym: [LL. impignoratio: cf. F. impignoration.]

Defn: The act of pawning or pledging; the state of being pawned. [Obs.] Bailey.

IMPING Imp"ing, n. Etym: [See Imp to graft.]

1. The act or process of grafting or mending. [Archaic]

2. (Falconry)

Defn: The process of repairing broken feathers or a deficient wing.

IMPINGE Im*pinge", v. t. [imp. & p. p. Impinged; p. pr. & vb. n. Impinging.] Etym: [L. impingere; pref. im- in + pangere to fix, strike; prob. akin to pacisci to agree, contract. See Pact, and cf. Impact.]

Defn: To fall or dash against; to touch upon; to strike; to hit; to ciash with; -- with on or upon. The cause of reflection is not the impinging of light on the solid or impervious parts of bodies. Sir I. Newton. But, in the present order of things, not to be employed without impinging on God's justice. Bp. Warburton.

IMPINGEMENT Im*pinge"ment, n.

Defn: The act of impinging.

IMPINGENT Im*pin"gent, a. Etym: [L. impingens, p. pr.]

Defn: Striking against or upon.

IMPINGUATE Im*pin"guate, v. t. Etym: [L. impinguatus, p. p. of impinguare to fatten; pref. im- in + pinguis fat.]

Defn: To fatten; to make fat. [Obs.] Bacon.

IMPINGUATION Im`pin*gua"tion, n.

Defn: The act of making fat, or the state of being fat or fattened. [Obs.]

IMPIOUS Im"pi*ous, a. Etym: [L. impius; pref. im- not + pius piou. See Pious.]

Defn: Not pious; wanting piety; irreligious; irreverent; ungodly; profane; wanting in reverence for the Supreme Being; as, an impious deed; impious language. When vice prevails, and impious men bear away, The post of honor is a private station. Addison.

Syn. -- Impious, Irreligious, Profane. Irreligious is negative, impious and profane are positive. An indifferent man may be irreligious; a profane man is irreverent in speech and conduct; an impious man is wickedly and boldly defiant in the strongest sense. Profane also has the milder sense of secular. C. J. Smith. -- Im"pi*ous*ly, adv. -- Im"pi*ous*ness, n.

IMPIRE Im"pire, n.

Defn: See Umpire. [Obs.] Huloet.

IMPISH Imp"ish, a.

Defn: Having the qualities, or showing the characteristics, of an imp.

IMPISHLY Imp"ish*ly, adv.

Defn: In the manner of an imp.

IMPITEOUS Im*pit"e*ous, a.

Defn: Pitiless; cruel. [Obs.]

IMPLACABILITY Im*pla`ca*bil"i*ty, n. Etym: [L. implacabilitas: cf. F. implacabilité.]

Defn: The quality or state of being implacable.

IMPLACABLE Im*pla"ca*ble, a. Etym: [L. implacabilis; pref. im- not + placabilis: cf. F. implacable. See Placable.]

1. Not placable; not to be appeased; incapable of being pacified; inexorable; as, an implacable prince. I see thou art implacable. Milton. An object of implacable enmity. Macaulay.

2. Incapable of ebign relieved or assuaged; inextinguishable. [R.] O! how I burn with implacable fire. Spenser. Which wrought them pain Implacable, and many a dolorous groan. Milton.

Syn. -- Unappeasable; inexorable; irreconcilable; unrelenting; relentless; unyielding.

IMPLACABLENESS Im*pla"ca*ble*ness, n.

Defn: The quality of being implacable; implacability.

IMPLACABLY Im*pla"ca*bly, adv.

Defn: In an implacable manner.

IMPLACENTAL Im`pla*cen"tal, a. (Zoöl.)

Defn: Without a placenta, as marsupials and monotremes. -- n.

Defn: A mammal having no placenta.

IMPLACENTALIA Im`pla*cen*ta"li*a, n. pl. Etym: [NL. See In- not, and Placental.] (Zoöl.)

Defn: A primary division of the Mammalia, including the monotremes and marsupials, in which no placenta is formed.

IMPLANT Im*plant" v. t. [imp. & p. p. Implanted; p. pr. & vb. n. Implanting.] Etym: [Pref. im- in + plant: cf. F. implanter.]

Defn: To plant, or infix, for the purpose of growth; to fix deeply; to instill; to inculate; to introduce; as, to implant the seeds of virtue, or the principles of knowledge, in the minds of youth. Minds well implanted with solid . . . breeding. Milton.

IMPLANTATION Im`plan*ta"tion, n. Etym: [Cf. F. implantation.]

Defn: The act or process of implantating.

IMPLATE Im*plate", v. t. [imp. & p. p. Implated; p. pr. & vb. n. Implating.]

Defn: To cover with plates; to sheathe; as, to implate a ship with iron.

IMPLAUSIBILITY Im*plau`si*bil"i*ty, n.

Defn: Want of plausibility; the quality of being implausible.

IMPLAUSIBLE Im*plau"si*ble, a. Etym: [Pref. im- not + plausible: cf. F. implausible.]

Defn: Not plausible; not wearing the appearance of truth or credibility, and not likely to be believed. "Implausible harangues." Swift. -- Im*plau"si*ble*ness, n. -- Im*plau"si*bly, adv.

IMPLEACH Im*pleach", v. t.

Defn: To pleach; to interweave. [Obs.] Shak.

IMPLEAD Im*plead", v. t. [imp. & p. p. Impleaded; p. pr. & vb. n. Impleading.] Etym: [Cf. Emplead.] (Law)

Defn: To institute and prosecute a suit against, in court; to sue or prosecute at law; hence, to accuse; to impeach.

IMPLEAD Im*plead", v. i.

Defn: To sue at law.

IMPLEADABLE Im*plead"a*ble, a.

Defn: Not admitting excuse, evasion, or plea; rigorous. [R.] T. Adams.

IMPLEADER Im*plead"er, n. (Law)

Defn: One who prosecutes or sues another.

IMPLEASING Im*pleas"ing (, a.

Defn: Unpleasing; displeasing. [Obs.] Overbury.

IMPLEDGE Im*pledge", v. t.

Defn: To pledge. Sir W. Scott.

IMPLEMENT Im"ple*ment, n. Etym: [LL. implementum accomplishment, fr. L. implere, impletum, to fill up, finish, complete; pref. im- in + plere to fill. The word was perh. confuse with OF. empleier, emploier, to employ, F. employer, whence E. employ. See Plenty.]

Defn: That which fulfills or supplies a want or use; esp., an instrument, toll, or utensil, as supplying a requisite to an end; as, the implements of trade, of husbandry, or of war. Genius must have talent as its complement and implement. Coleridge.

IMPLEMENT Im"ple*ment, v. t.

1. To accomplish; to fulfill. [R.] Revenge . . . executed and implemented by the hand of Vanbeest Brown. Sir W. Scott.

2. To provide with an implement or implements; to cause to be fulfilled, satisfied, or carried out, by means of an implement or implements. The chief mechanical requisites of the barometer are implemented in such an instrument as the following. Nichol.

3. (Scots Law)

Defn: To fulfill or perform, as a contract or an engagement.

IMPLEMENTAL Im`ple*men"tal, a.

Defn: Pertaining to, or characterized by, implements or their use; mechanical.

IMPLETION Im*ple"tion, n. Etym: [L. impletio. See Implement.]

1. The act of filling, or the state of being full. Sir T. Browne.

2. That which fills up; filling. Coleridge.

IMPLEX Im"plex, a. Etym: [L. implexus, p. p. of implectere to infold; pref. im- in + plectere to plait: cf. F implexe.]

Defn: Intricate; entangled; complicated; complex. The fable of every poem is . . . simple or implex. it is called simple when there is no change of fortune in it; implex, when the fortune of the chief actor changes from bad to good, or from good to bad. Addison.

IMPLEXION Im*plex"ion, n. Etym: [L. implexio.]

Defn: Act of involving, or state of being involved; involution.

IMPLIABLE Im*pli"a*ble, a.

Defn: Not pliable; inflexible; inyielding.

IMPLICATE Im"pli*cate, v. t. [imp. & p. p. Implicated; p. pr. & vb. n. Implicating.] Etym: [L. implicatus, p. p. of implicare to involve; pref. im- in + plicare to fold. See Employ, Ply, and cf. Imply, Implicit.]

1. To infold; to fold together; to interweave. The meeting boughs and implicated leaves. Shelley.

2. To bring into connection with; to involve; to connect; -- applied to persons, in an unfavorable sense; as, the evidence implicates many in this conspiracy; to be implicated in a crime, a discreditable transaction, a fault, etc.

IMPLICATION Im`pli*ca"tion, n. Etym: [L. implicatio: cf. F. implication.]

1. The act of implicating, or the state of being implicated. Three principal causes of firmness are. the grossness, the quiet contact, and the implication of component parts. Boyle.

2. An implying, or that which is implied, but not expressed; an inference, or something which may fairly be understood, though not expressed in words. Whatever things, therefore, it was asserted that the king might do, it was a necessary implication that there were other things which he could not do. Hallam.

IMPLICATIVE Im"pli*ca*tive, a.

Defn: Tending to implicate.

IMPLICATIVELY Im"pli*ca*tive*ly, adv.

Defn: By implication. Sir G. Buck.

IMPLICIT Im*plic"it, a. Etym: [L. implicitus, p. p. of implicare to entwine, entangle, attach closely: cf. F. implicite. See Implicate.]

1. Infolded; entangled; complicated; involved. [Obs.] Milton. In his woolly fleece I cling implicit. Pope.

2. Tacitly comprised; fairly to be understood, though not expressed in words; implied; as, an implicit contract or agreement. South.

3. Resting on another; trusting in the word or authority of another, without doubt or reserve; unquestioning; complete; as, implicit confidence; implicit obedience. Back again to implicit faith I fall. Donne. Implicit function. (Math.) See under Function.

IMPLICITLY Im*plic"it*ly, adv.

1. In an implicit manner; without reserve; with unreserved confidence. Not to dispute the methods of his providence, but humbly and implicitly to acquiesce in and adore them. Atterbury.

2. By implication; impliedly; as, to deny the providence of God is implicitly to deny his existence. Bentley.

IMPLICITNESS Im*plic"it*ness, n.

Defn: State or quality of being implicit.

IMPLICITY Im*plic"i*ty, n.

Defn: Implicitness. [Obs.] Cotgrave.

IMPLIED Im*plied", a.

Defn: Virtually involved or included; involved in substance; inferential; tacitly conceded; -- the correlative of express, or expressed. See Imply.

IMPLIEDLY Im*pli"ed*ly, adv.

Defn: By implication or inference. Bp. Montagu.

IMPLODED Im*plod"ed, a. (Phon.)

Defn: Formed by implosion. Ellis.

IMPLODENT Im*plod"ent, n. (Phon.)

Defn: An implosive sound. Ellis.

IMPLORATION Im`plo*ra"tion, n. Etym: [L. imploratio: cf. OF. imploration. See Implore.]

Defn: The act of imploring; earnest supplication. Bp. Hall.

IMPLORATOR Im"plo*ra`tor, n.

Defn: One who implores. [Obs.] Mere implorators of unholy suits. Shak.

IMPLORATORY Im*plor"a*to*ry, a.

Defn: Supplicatory; entreating. [R.] Carlyle.

IMPLORE Im*plore", v. t. [imp. & p. p. Implored; p. pr. & vb. n. Imploring.] Etym: [L. implorare; pref. im- in + plorare to cry aloud. See Deplore.]

Defn: To call upon, or for, in supplication; to beseech; to prey to, or for, earnestly; to petition with urency; to entreat; to beg; -- followed directly by the word expressing the thing sought, or the person from whom it is sought. Imploring all the gods that reign above. Pope. I kneel, and then implore her blessing. Shak.

Syn. -- To beseech; supplicate; crave; entreat; beg; solicit; petition; prey; request; adjure. See Beseech.

IMPLORE Im*plore", v. i.

Defn: To entreat; to beg; to prey.

IMPLORE Im*plore", n.

Defn: Imploration. [Obs.] Spencer.

IMPLORER Im*plor"er, n.

Defn: One who implores.

IMPLORING Im*plor"ing, a.

Defn: That implores; beseeching; entreating. -- Im*plor"ing*ly, adv.

IMPLOSION Im*plo"sion, n. Etym: [Formed by substitution of pref. im- in for pref. ex- in explosion.]