Webster's Dictionary, 1913

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Ineffaceable adjective [ Prefix in- not + effaceable : confer French ineffaçable .] Incapable of being effaced; indelible; ineradicable.

Ineffaceably adverb So as not to be effaceable.

Ineffectible adjective Ineffectual; impracticable. [ R.] Bp. Hall.

Ineffective adjective [ Prefix in- not + effective : confer French ineffectif .] Not effective; ineffectual; futile; inefficient; useless; as, an ineffective appeal.

The word of God, without the spirit, [ is] a dead and ineffective letter.
Jer. Taylor.

Ineffectively adverb In an ineffective manner; without effect; inefficiently; ineffectually.

Ineffectiveness noun Quality of being ineffective.

Ineffectual adjective Not producing the proper effect; without effect; inefficient; weak; useless; futile; unavailing; as, an ineffectual attempt; an ineffectual expedient. Pope.

The peony root has been much commended, . . . and yet has been by many found ineffectual .
Boyle.

Syn. -- Inefficient; useless; inefficacious; vain; fruitless; unavailing; futile. See Useless , Inefficacious .

Ineffectuality noun Ineffectualness. [ R.]

Ineffectually adverb Without effect; in vain.

Hereford . . . had been besieged for about two months ineffectually by the Scots.
Ludlow.

Ineffectualness noun Want of effect, or of power to produce it; inefficacy.

The ineffectualness of some men's devotion.
Wake.

Ineffervescence noun Want of effervescence. Kirwan.

Ineffervescent adjective Not effervescing, or not susceptible of effervescence; quiescent.

Ineffervescibility noun The quality of being ineffervescible.

Ineffervescible adjective Not capable or susceptible of effervescence.

Inefficacious adjective [ Prefix in- not + efficacious : confer French inefficace , Latin inefficax .] Not efficacious; not having power to produce the effect desired; inadequate; incompetent; inefficient; impotent. Boyle.

The authority of Parliament must become inefficacious . . . to restrain the growth of disorders.
Burke.

» Ineffectual , says Johnson, rather denotes an actual failure, and inefficacious an habitual impotence to any effect. But the distinction is not always observed, nor can it be; for we can not always know whether means are inefficacious till experiment has proved them ineffectual . Inefficacious is therefore sometimes synonymous with ineffectual .

Inefficaciously adverb Without efficacy or effect.

Inefficaciousness noun Want of effect, or of power to produce the effect; inefficacy.

Inefficacy noun [ Latin inefficacia . See In- not, and Efficacy .] Want of power to produce the desired or proper effect; inefficiency; ineffectualness; futility; uselessness; fruitlessness; as, the inefficacy of medicines or means.

The seeming inefficacy of censures.
Bp. Hall.

The inefficacy was soon proved, like that of many similar medicines.
James Gregory.

Inefficiency noun The quality of being inefficient; want of power or energy sufficient for the desired effect; inefficacy; incapacity; as, he was discharged from his position for inefficiency .

Inefficient adjective
1. Not efficient; not producing the effect intended or desired; inefficacious; as, inefficient means or measures.

2. Incapable of, or indisposed to, effective action; habitually slack or remiss; effecting little or nothing; as, inefficient workmen; an inefficient administrator.

Inefficiently adverb In an inefficient manner.

Inelaborate adjective [ Latin inelaboratus . See In- not, and Elaborate .] Not elaborate; not wrought with care; unpolished; crude; unfinished.

Inelastic adjective Not elastic.

Inelasticity noun Want of elasticity.

Inelegance, Inelegancy noun ; plural Inelegances , Inelegancies . [ Latin inelegantia : confer French inélégance .]


1. The quality of being inelegant; want of elegance or grace; want of refinement, beauty, or polish in language, composition, or manners.

The notorious inelegance of her figure.
T. Hook.

2. Anything inelegant; as, inelegance of style in literary composition.

Inelegant adjective [ Latin inelegans : confer French inélégant . See In- not, and Elegant .] Not elegant; deficient in beauty, polish, refinement, grave, or ornament; wanting in anything which correct taste requires.

What order so contrived as not to mix
Tastes, not well joined, inelegant .
Milton.

It renders style often obscure, always embarrassed and inelegant .
Blair.

Inelegantly adverb In an inelegant manner.

Ineligibility noun [ Confer French inéligibilité .] The state or quality of being ineligible.

Ineligible adjective [ Prefix in- not + eligible : confer French inéligible .] Not eligible; not qualified to be chosen for an office; not worthy to be chosen or preferred; not expedient or desirable. Burke.

Inelligibly adverb In an ineligible manner.

Ineloquent adjective [ Latin ineloquens : confer French inéloquent . See In- not, and Eloquent .] Not eloquent; not fluent, graceful, or pathetic; not persuasive; as, ineloquent language.

Nor are thy lips ungraceful, sire of men,
Nor tongue ineloquent .
Milton.

Ineloquently adverb Without eloquence.

Ineluctable adjective [ Latin ineluctabilis ; prefix in- not + eluctabilis to be surmounted, from eluctari to struggle out of, to surmount: confer French inéluctable . See Eluctate .] Not to be overcome by struggling; irresistible; inevitable. Bp. Pearson.

The ineluctable conditions of matter.
Hamerton.

Ineludible adjective Incapable of being eluded or evaded; unvoidable.

Most pressing reasons and ineludible demonstrations.
Glanvill.

Inembryonate adjective (Biol.) Not embryonate.

Inenarrable adjective [ Latin inenarrabilis ; prefix in- not + enarrabilis that may be related; from enarrare to relate: confer French inénarrable . See Enarration .] Incapable of being narrated; indescribable; ineffable. [ Obsolete] " Inenarrable goodness." Bp. Fisher.

Inept adjective [ Latin ineptus ; prefix. in- not + aptus apt, fit: confer French inepte . Confer Inapt .]


1. Not apt or fit; unfit; unsuitable; improper; unbecoming.

The Aristotelian philosophy is inept for new discoveries.
Glanvill.

2. Silly; useless; nonsensical; absurd; foolish.

To view attention as a special act of intelligence, and to distinguish it from consciousness, is utterly inept .
Sir W. Hamilton.

Ineptitude noun [ Latin ineptitudo .]


1. The quality of being inept; unfitness; inaptitude; unsuitableness.

That ineptitude for society, which is frequently the fault of us scholars.
Tatler.

2. Absurdity; nonsense; foolishness.

Ineptly adverb Unfitly; unsuitably; awkwardly.

None of them are made foolishly or ineptly .
Dr. H. More.

Ineptness noun Unfitness; ineptitude.

The feebleness and miserable ineptness of infancy.
Dr. H. More.

Inequable adjective Unequable. [ R.] Bailey.

Inequal adjective [ Latin inaequalis . See In- not, and Equal .] Unequal; uneven; various. [ Obsolete] Chaucer.

Inequality noun ; plural Inequalities . [ Latin inaequalitas .]


1. The quality of being unequal; difference, or want of equality, in any respect; lack of uniformity; disproportion; unevenness; disparity; diversity; as, an inequality in size, stature, numbers, power, distances, motions, rank, property, etc.

There is so great an inequality in the length of our legs and arms as makes it impossible for us to walk on all four.
Ray.

Notwithstanding which inequality of number, it was resolved in a council of war to fight the Dutch fleet.
Ludlow.

Sympathy is rarely strong where there is a great inequality of condition.
Macaulay.

2. Unevenness; want of levelness; the alternate rising and falling of a surface; as, the inequalities of the surface of the earth, or of a marble slab, etc.

The country is cut into so many hills and inequalities as renders it defensible.
Addison.

3. Variableness; changeableness; inconstancy; lack of smoothness or equability; deviation; unsteadiness, as of the weather, feelings, etc.

Inequality of air is ever an enemy to health.
Bacon.

4. Disproportion to any office or purpose; inadequacy; competency; as, the inequality of terrestrial things to the wants of a rational soul. South.

5. (Alg.) An expression consisting of two unequal quantities, with the sign of inequality (> or <) between them; as, the inequality 2 < 3, or 4 > 1.

6. (Astron.) An irregularity, or a deviation, in the motion of a planet or satellite from its uniform mean motion; the amount of such deviation.

Inequation noun (Math.) An inequality.

Inequidistant adjective Not equally distant; not equidistant.

Inequilateral adjective
1. Having unequal sides; unsymmetrical; unequal- sided.

2. (Zoology) Having the two ends unequal, as in the clam, quahaug, and most lamellibranch shells.

Inequilobate adjective [ Prefix in- not + equi- + lobate .] (Biol.) Unequally lobed; cut into lobes of different shapes or sizes.

Inequitable adjective Not equitable; not just. Burke.

Inequitate transitive verb [ Latin inequitatus , past participle inequitare to ride over. See 1st In- , and Equitant .] To ride over or through. [ Obsolete] Dr. H. More.

Inequity noun Want of equity; injustice; wrong. "Some form of inequity ." H. Spencer.