indolent, a. lazy, slothful, supine, dronish, listless.

inducement, n. incentive, incitement, motive, stimulus.

indulge, v. satisfy, gratify, luxuriate; humor, pamper, cocker; grant, allow, permit.  Antonyms:  mortify, deny, suppress, restrain.

indulgence, n. humoring, pampering, gratification; kindness, favor, lenity, forbearance; absolution.  Antonyms:  mortification, denial, restraint, non-indulgence.

indulgent, a. forbearing, kind, lenient, lax, merciful.

industrial science. technology, polytechnics.

industrious, a. assiduous, diligent, sedulous, persistent, hard-working.  Antonyms:  idle, indolent, inactive, lazy.

industry, n. assiduity, diligence, activity; labor, work, exertion, efforts.

indwelling, n. immanence, inherence.—­a. immanent, inherent.

ineffective, a. ineffectual, unavailing, inefficacious.

inefficient, a. ineffective, inefficacious; slack, remiss, incompetent.

inelastic, a. inductile, inextensible, rigid.

inelasticity, n. inductility, inextensibility, rigidity.

ineligible, a. disqualified.

inequality, n. disparity, disproportion, unevenness, irregularity; unfairness, injustice; inequation.

inexcusable, a. unpardonable, indefensible, unjustifiable, unwarrantable.

inexhaustible, a. exhaustless.

inexorable, a. unyielding, relentless, implacable, unmovable, unrelenting.

inexperienced, a. untrained, unpractised, undisciplined, raw, unskilled.

inexpert, a. maladroit, unskillful, bungling.

inexpressible, a. ineffable, unspeakable, unutterable.

infallibility, n. inerrability.

infallible, a. inerrable, unerring, sure, certain, undeniable.

infamous, a. disreputable, ignominious, scandalous, opprobrious, odious, heinous.

infamy, n. disgrace, ignominy, odium, obloquy, opprobrium.

infancy, n. babyhood; minority, nonage, pupilage.

infant, n. baby; minor.

infantile paralysis. poliomyelitis.

infatuate, v. enamor, charm.  Antonyms:  repel, disgust, disillusionize.

infection, n. contagion, contamination, vitiation, pollution.

infectious, a. contagious, pestiferous, epidemic, vitiating.

infer, v. deduce, imply, gather.

inference, n. deduction, conclusion, illation, corollary.

inferior, a. poorer, lower, subordinate, menial, minor, mediocre, subaltern.

inferior, n. subordinate.  Antonyms:  peer, equal, superior.

inferiority, n. subordinacy, mediocrity, deficiency.

infidel, n. free-thinker, atheist, unbeliever, skeptic.

infirmity, n.  See weakness.

inflammable, a. combustible, accendible; irascible, irritable, excitable.

inflammation, n. phlogosis; phlegmasia.  Associated Words:  phlogistic, phlogogenous, antiphlogistic, demulcent delitescence.