Webster's Dictionary, 1913

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Inequivalve, Inequivalvular adjective (Zoology) Having unequal valves, as the shell of an oyster.

Ineradicable adjective Incapable of being eradicated or rooted out.

The bad seed thus sown was ineradicable .
Ld. Lytton.

Ineradicably adverb So as not to be eradicable.

Inergetic, Inergetical adjective [ Prefix in- not + en ergetic , - ical .] Having no energy; sluggish. [ R.] Boyle.

Inergetically adverb Without energy. [ R.]

Inerm, Inermous adjective (Botany) Same as Inermis .

Inermis adjective [ Latin inermis , inermus ; prefix in- not + arma arms: confer French inerme .] (Botany) Unarmed; destitute of prickles or thorns, as a leaf. Gray.

Inerrability noun Freedom or exemption from error; infallibility. Eikon Basilike.

Inerrable adjective [ Latin inerrabilis . See In- not, and Err .] Incapable of erring; infallible; unerring. " Inerabble and requisite conditions." Sir T. Browne. "Not an inerrable text." Gladstone.

Inerrableness (ĭn*ĕr"rȧ*b'l*nĕs) noun Exemption from error; inerrability; infallibility. Hammond.

Inerrably adverb With security from error; infallibly; unerringly.

Inerrancy noun Exemption from error.

The absolute inerrancy of the Bible.
The Century.

Inerratic (ĭn`ĕr*răt"ĭk) adjective Not erratic or wandering; fixed; settled; established.

Inerringly adverb Without error, mistake, or deviation; unerringly. Glanvill.

Inert adjective [ Latin iners , inertis , unskilled, idle; prefix in- + ars art: confer French inerte . See Art .]


1. Destitute of the power of moving itself, or of active resistance to motion; as, matter is inert .

2. Indisposed to move or act; very slow to act; sluggish; dull; inactive; indolent; lifeless.

The inert and desponding party of the court.
Macaulay.

It present becomes extravagant, then imbecile, and at length utterly inert .
I. Taylor.

3. Not having or manifesting active properties; not affecting other substances when brought in contact with them; powerless for an expected or desired effect.

Syn. -- Inactive; dull; passive; indolent; sluggish; slothful; lazy; lifeless; irresolute; stupid; senseless; insensible. -- Inert , Inactive , Sluggish . A man may be inactive from mere want of stimulus to effort; but one who is inert has something in his constitution or his habits which operates like a weight holding him back from exertion. Sluggish is still stronger, implying some defect of temperament which directly impedes action. Inert and inactive are negative, sluggish is positive.

Even the favored isles . . .
Can boast but little virtue; and, inert
Through plenty, lose in morals what they gain
In manners -- victims of luxurious ease.
Cowper.

Doomed to lose four months in inactive obscurity.
Johnson.

Sluggish Idleness, the nurse of sin,
Upon a slothful ass he chose to ride.
Spenser.

Inertia noun [ Latin , idleness, from iners idle. See Inert .]


1. (Physics) That property of matter by which it tends when at rest to remain so, and when in motion to continue in motion, and in the same straight line or direction, unless acted on by some external force; -- sometimes called vis inertiæ .

2. Inertness; indisposition to motion, exertion, or action; want of energy; sluggishness.

Men . . . have immense irresolution and inertia .
Carlyle.

3. (Medicine) Want of activity; sluggishness; -- said especially of the uterus, when, in labor, its contractions have nearly or wholly ceased.

Center of inertia . (Mech.) See under Center .

Inertion noun Want of activity or exertion; inertness; quietude. [ R.]

These vicissitudes of exertion and inertion of the arterial system constitute the paroxysms of remittent fever.
E. Darwin.

Inertitude noun [ See Inert .] Inertness; inertia. [ R.] Good.

Inertly adverb Without activity; sluggishly. Pope.

Inertness noun
1. Want of activity or exertion; habitual indisposition to action or motion; sluggishness; apathy; insensibility. Glanvill.

Laziness and inertness of mind.
Burke.

2. Absence of the power of self-motion; inertia.

Inerudite adjective [ Latin ineruditus . See In- not, and Erudite .] Not erudite; unlearned; ignorant.

Inescapable adjective Not escapable.

Inescate transitive verb [ Latin inescatus , past participle of inescare ; in- in + esca bait.] To allure; to lay a bait for. [ Obsolete]

To inescate and beguile young women!
Burton.

Inescation noun [ Latin inescatio .] The act of baiting; allurement. [ Obsolete] Hallywell.

Inescutcheon noun (Her.) A small escutcheon borne within a shield.

Inessential adjective [ Prefix in- not + essential : confer French inessentiel .]


1. Having no essence or being. H. Brooke.

The womb of inessential Naught.
Shelley.

2. Not essential; unessential.

Inestimable adjective [ Latin inaestimabilis : confer French inestimable . See In- not, and Estimate .] Incapable of being estimated or computed; especially, too valuable or excellent to be measured or fully appreciated; above all price; as, inestimable rights or privileges.

But above all, for thine inestimable love.
Bk. of Com. Prayer.

Science is too inestimable for expression by a money standard.
Lyon Playfair.

Syn. -- Incalculable; invaluable; priceless.

Inestimably adverb In a manner, or to a degree, above estimation; as, things inestimably excellent.

Inevasible adjective Incapable of being evaded; inevitable; unavoidable.

Inevidence noun [ Confer French inévidence .] Want of evidence; obscurity. [ Obsolete] Barrow.

Inevident adjective [ Confer French inévident .] Not evident; not clear or obvious; obscure.

Inevitability noun [ Confer French inévitabilité .] Impossibility to be avoided or shunned; inevitableness. Shelford.

Inevitable adjective [ Latin inevitabilis : confer French inévitable . See In- not, and Evitable .]


1. Not evitable; incapable of being shunned; unavoidable; certain. "The inevitable hour." Gray.

It was inevitable ; it was necessary; it was planted in the nature of things.
Burke.

2. Irresistible. " Inevitable charms." Dryden.

Inevitableness noun The state of being unavoidable; certainty to happen. Prideaux.

Inevitably adverb Without possibility of escape or evasion; unavoidably; certainly.

Inevitably thou shalt die.
Milton.

How inevitably does immoderate laughter end in a sigh!
South.

Inexact adjective [ Prefix in- not + exact : confer French inexact .] Not exact; not precisely correct or true; inaccurate.

Inexactitude noun Inexactness; uncertainty; as, geographical inexactitude .

Inexactly adverb In a manner not exact or precise; inaccurately. R. A. Proctor.

Inexactness noun Incorrectness; want of exactness.

Inexcitability noun The quality of being inexcitable; insusceptibility to excitement.

Inexcitable adjective [ Latin inexcitabilis from which one cannot be aroused. See In- not, and Excite .] Not susceptible of excitement; dull; lifeless; torpid.

Inexcusable adjective [ Latin inexcusabilis : confer French inexcusable . See Excuse .] Not excusable; not admitting excuse or justification; as, inexcusable folly.

Therefore thou art inexcusable , O man, whosoever thou art that judgest; for wherein thou judgest another, thou condemnest thyself; for thou that judgest doest the same things.
Rom. ii. 1.

Inexcusableness noun The quality of being inexcusable; enormity beyond forgiveness. South.

Inexcusably adverb With a degree of guilt or folly beyond excuse or justification.

Inexcusably obstinate and perverse.
Jortin.

Inexecrable adjective That can not be execrated enough. [ R.]

Inexecutable adjective [ Prefix in- not + executable : confer French inexécutable .] Incapable of being executed or performed; impracticable; infeasible.

Inexecution noun [ Prefix in- not + execution : confer French inexécution .] Neglect of execution; nonperformance; as, the inexecution of a treaty. Spence.

Inexertion noun Want of exertion; want of effort; defect of action; indolence; laziness.

Inexhalable adjective Incapable of being exhaled. [ Obsolete] Sir T. Browne.

Inexhausted adjective [ Prefix in- not + exhausted : confer French inexhaustus .] Not exhausted; not emptied; not spent; not having lost all strength or resources; unexhausted. Dryden.