Word origins

• individuitySeparate existence; individuality; oneness.
• individuumAn indivisible entity.
• indocibilityThe state of being indocible; untameability.
• indocibleIncapable of being taught, or not easily instructed; dull in intellect; intractable.
• indocilitythe quality or condition of being indocile
• indomiteuntamed; savage; wild
• indubiousNot dubious or doubtful; certain.
• indubitateTo bring into doubt; to cause to be doubted.
• indutivecovered; applied to seeds which have the usual integumentary covering.
• induviaepersistent portions of a calyx or corolla
• inebriantAn intoxicating agent.
• inebriateA person who is intoxicated, especially one who is habitually drunk.
• inediaThe (purported) ability to live without food.
• ineditaUnpublished literary works.
• ineffabilityThe quality or state of being ineffable.
• inelaborateNot elaborate; crude; unfinished.
• inenubilableIncapable of being cleared of clouds.
• inerrableIncapable of error; infallible, unerring.
• ineruditeNot erudite; unlearned; ignorant.
• inescationThe act of baiting; allurement.
• inexorabilityThe quality or state of being inexorable.
• inexpiateNot appeased or placated.
• inexsuperableNot capable of being beaten; insuperable; insurmountable.
• inexterminableImpossible to exterminate.
• inextinctNot quenched; not extinct, still lively.
• inexuperableinsurmountable, unbeatable.
• infameTo defame; to make infamous.
• infandousExtremely odious
• infarceTo stuff or to swell.
• infecundityLack of fecundity or fruitfulness
• infelicityThe condition of being infelicitous.
• inferiaeSacrifices offered to the souls of deceased heroes or friends.
• infero-inferior
• infestuousMischievous; harmful; dangerous.
• infima speciesThe narrowest of species; one that that is not a genus to anything else.
• inflammo-Relating to inflammation.
• influxionAn influx or infusion.
• informidableNot formidable; not to be feared or dreaded.
• informityAbsence of regular form; shapelessness.
• informousMisshapen; having no real form.
• infortunemisfortune
• infractTo infringe, violate or disobey (a rule).
• infradianCyclical with a periodicity significantly longer than 24 hours, that is, less frequent than circadian.
• infrigidateTo make (something) cold; to chill.
• infructuoseNot yielding fruit.
• infundibulatedfunnel-shaped
• infundibuliformhaving the shape of a funnel or cone.
• infundibulo-infundibulum
• ingeniosityThe quality of being ingenious.
• ingeniteInnate, inborn.
• ingenynatural gift or talent; ability; wit; ingenuity
• ingratefulungrateful; not grateful
• ingravidateTo impregnate (literal or figurative).
• ingurgitateTo swallow greedily or in large amounts.
• ingurgitationThe act of swallowing greedily or immoderately; gulp.
• ingustabletasteless; insipid
• IngvaeonicOf or relating to the North Sea Germanic languages.
• inhabileNot apt or fit; inappropriate; unsuitable.
• inhiationA gaping after; eager desire; craving.
• inhospitalityLack of hospitality.
• inhumeTo bury in a grave.
• inimicInimical.
• inimicableSynonym of inimical (“harmful, hostile”).
• inimicitiousInimical; unfriendly, hostile.
• iniquousSynonym of iniquitous.
• iniunctumSynonym of prozeugma
• injucundityThe quality of being unpleasant; disagreeableness.
• injuria sine damnoA legal wrong that causes no actual damage or injury to anyone.
• inlapidateTo convert into a stony substance; to petrify.
• inlibrationThe fact of God's being invested in a book (the Qur'an), as opposed to in flesh as held by Christianity.
• in memoriamIn memory (of); as a memorial.
• in moraIn default.
• innitencyA burden; a dead weight.
• innixionA leaning or resting upon something; an instance of a thing being supported by another; innitency.
• innoxiousHaving no harmful effect; harmless, innocuous.
• innubilousCloudless.
• innuentConveying a hint or innuendo.
• inobservableunobservable
• inobservantNot observant
• inofficiousIndifferent to obligation or duty.
• inoperationagency; influence; production of effects
• inopinableNot to be expected; inconceivable.
• inopinateNot expected, thought of, or looked for.
• inopportunityLack of opportunity or chances to do something
• inordinationDeviation or irregularity from custom, rule, order, or right
• inosculateTo homogenize; to make continuous.
• inquilineAn animal that lives commensally in the nest, burrow, gall, or dwelling place of an animal of another species.
• inquinateTo pollute or make dirty.
• inquinationdefilement;pollution; stain or impurity
• inquirentMaking enquiry; questioning.
• in reIn the matter of; with regard to.
• insalutaryNot salutary or wholesome; bad for the health.
• insanableNot capable of being healed, incurable, irremediable.
• insatiabilityThe condition of being insatiable
• insatietyinsatiableness
• insaturableNot capable of being saturated.
• insculpTo engrave; to carve; to sculpt.
• insecableindivisible (literal or figurative)
• insectationpursuit; harassment; persecution
• insectileof, or pertaining to insects