incondite (adj.) Look up incondite at
1630s, "ill-made," earlier "crude, upolished" (1530s), from Latin inconditus "disordered, uncouth," from in- "not, opposite of" (see in- (1)) + conditus, past participle of condere "put together" (see abscond). Applied from 1845 to natural utterances ("oh!") from Latin (vox) incondita.
inconducive (adj.) Look up inconducive at
1729, from in- (1) "not, opposite of" + conducive.
incongruence (n.) Look up incongruence at
c. 1600, from Late Latin incongruentia "incongruity," from incongruentem (nominative incongruens) "incongruous, inconsistent," from in- "not" (see in- (1)) + congruens (see congruent). Related: Incongruency.
incongruent (adj.) Look up incongruent at
mid-15c., from Late Latin incongruentem (nominative incongruens), from in- "not" (see in- (1)) + congruens (see congruent). Related: Incongruently.
incongruity (n.) Look up incongruity at
1530s, "quality of being incongruent," from French incongruité (16c.) or directly from Medieval Latin incongruitas, from Latin in- "not" (see in- (1)) + congruitas (see congruity). Meaning "that which is incongruent, an example of incongruency" is from c. 1600.
incongruous (adj.) Look up incongruous at
1610s, from Latin incongruus "incongruous, inconsistent," from in- "not, opposite of, without" (see in- (1)) + congruus "fit, suitable" (see congruent). Related: Incongruously; incongruousness.
inconsequence (n.) Look up inconsequence at
1580s, from Late Latin inconsequentia, from Latin inconsequens "inconsequent" (see inconsequent).
inconsequent (adj.) Look up inconsequent at
1570s, "not following as a logical conclusion," from Latin inconsequentem (nominative inconsequens) "not logically connected, not resulting from what has preceded," from in- "not, opposite of, without" (see in- (1)) + consequens, past participle of consequi "to follow" (see consequence). Related: Inconsequently.
inconsequential (adj.) Look up inconsequential at
1620s, "characterized by inconsequence;" 1782, "not worth noticing;" see inconsequent + -al (1). Related: Inconsequentially.
inconsiderable (adj.) Look up inconsiderable at
1590s, "incalculable;" from 1630s as "not worthy of consideration or notice," from French inconsidérable (16c.), from in- "not" (see in- (1)) + considérable (see considerable). Related: Inconsiderably. OED has found an instance of the rare verb inconsider from 1697.
inconsiderate (adj.) Look up inconsiderate at
late 15c., "done thoughtlessly, heedless, careless, indiscreet," from Latin inconsideratus "headstrong, unadvised," of persons, "thoughtless," literally "not properly considered," from in- "not, opposite of" (see in- (1)) + consideratus (see consider). Sense of "without regard for the feelings of others" is from 1842. Related: Inconsiderately.
inconsiderateness (n.) Look up inconsiderateness at
1590s, "imprudence," from inconsiderate + -ness. From 1858 as "want of consideration for others."
inconsideration (n.) Look up inconsideration at
1520s, "indiscretion, rashness, failure to consider," from Late Latin inconsiderationem (nominative inconsideratio) "inconsiderateness," from Latin inconsideratus "headstrong, thoughtless" (see inconsiderate).
inconsistency (n.) Look up inconsistency at
1640s, "something which is inconsistent;" 1650s as "quality of being inconsistent," from in- (1) "not, opposite of" + consistency. Related: Inconsistencies. Inconsistence (1630s) is marked "Now rare or Obs." in OED.
inconsistent (adj.) Look up inconsistent at
1640s, "not agreeing in substance or form;" 1650s, "self-contradictory," from in- (1) "not, opposite of" + consistent. Related: Inconsistently.
inconsolable (adj.) Look up inconsolable at
1590s, from Latin inconsolabilis "inconsolable," from in- "not" (see in- (1)) + consolabilis "consolable," from consolari (see console (v.)). Related: Inconsolably (c. 1500).
inconspicuous (adj.) Look up inconspicuous at
1620s, "invisible," from Late Latin inconspicuus "not conspicuous," from in- "not, opposite of, without" (see in- (1)) + Latin conspicuus (see conspicuous). Weakened sense of "not readily seen or noticed" developed by 1828. Related: Inconspicuously; inconspicuousness.
inconstance (n.) Look up inconstance at
late 14c., from Old French inconstance "inconstancy, instability" (13c.), from Latin inconstantia "inconstancy, fickleness," noun of quality from inconstans "changeable, inconsistent" (see inconstant). In English, inconstancy is now the usual word.
inconstancy (n.) Look up inconstancy at
1520s of persons, "fickleness;" 1610s of things, "mutability, irregularity," from Latin inconstantia "inconstancy, fickleness," noun of quality from inconstans "changeable, inconsistent" (see inconstant).
inconstant (adj.) Look up inconstant at
c. 1400, "fickle, not steadfast," from Old French inconstant "variable, eccentric" (14c.), from Latin inconstantem (nominative inconstans) "changeable, fickle, capricious," from in- "not, opposite of, without" (see in- (1)) + constantem (see constant). Related: Inconstantly.
inconsumable (adj.) Look up inconsumable at
1640s in reference to fire; 1785 in political economy; from in- (1) "not" + consumable. Inconsumptible is from 1570s.
inconsummate (adj.) Look up inconsummate at
"unfinished, incomplete," 1640s, from Late Latin inconsummatus "unfinished," from in- "not" (see in- (1) + consummatus "perfected, complete," past participle of consummare "sum up, to complete" (see consummation).
incontestable (adj.) Look up incontestable at
1670s, from in- "not" (see in- (1)) + contestable (see contest (v.)). Perhaps from or modeled on French incontestable. Related: Incontestably.
incontiguous (adj.) Look up incontiguous at
1650s, from Late Latin incontiguus, from in- "not" (see in- (1)) + contiguus (see contiguous). Related: Incontiguously; incontiguousness.
incontinence (n.) Look up incontinence at
late 14c., "inability to restrain sexual desire, sexual immorality," later "inability to keep to a religious rule" (early 15c.), from Old French incontinence "lack of abstinence, unchastity" (12c.) or directly from Latin incontinentia "greediness; incontinence, inability to contain," noun of quality from incontinens "incontinent, immoderate, intemperate" (see incontinent). Meaning "inability to restrain bodily functions" is from 1754.
incontinency (n.) Look up incontinency at
early 15c., "unchastity;" see incontinent + -cy.
incontinent (adj.) Look up incontinent at
late 14c., "wanting self-restraint," from Old French incontinent (14c.) or directly from Latin incontinentem (nominative incontinens) "immoderate, intemperate, not holding back," from in- "not, opposite of" (see in- (1)) + continens (see continent (adj.)). Originally chiefly of sexual appetites. General sense of "unable to retain" is from 1640s; medical sense of "unable to control bowels or bladder, unable to restrain natural discharges from the body" is attested by 1828.
He was incontynent, and with fleschely lustes he consumyd alle his tyme. ["Speculum Sacerdotale," 15th century]
incontinently (adv.) Look up incontinently at
early 15c., "immediately, without delay, at once," from incontinent + -ly (2). From 1550s as "unchastely;" in reference to bodily discharges from 1847.
incontrovertible (adj.) Look up incontrovertible at
1640s, from in- (1) "not" + controvertible (see controvert). Related: Incontrovertibly; incontrovertibility.
inconvenience (n.) Look up inconvenience at
c. 1400, "harm, damage; danger; misfortune, affliction," from Old French inconvenience "misfortune, calamity; impropriety" (Modern French inconvenance), from Late Latin inconvenientia "lack of consistency, incongruity" (in Medieval Latin "misfortune, affliction"), noun of quality from inconvenientem (see inconvenient). Sense of "impropriety, unfitness; an improper act or utterance" in English is from early 15c. Meaning "quality of being inconvenient" is from 1650s.
inconvenience (v.) Look up inconvenience at
1650s, from inconvenience (n.). Related: Inconvenienced; inconveniencing.
inconveniency (n.) Look up inconveniency at
early 15c., "calamity, injury, harmful consequence," also "danger" (now obsolete), from Late Latin inconvenientia (see inconvenience (n.)). Meaning "trouble, disadvantage, quality of being inconvenient" is from 1550s.
inconvenient (adj.) Look up inconvenient at
late 14c., "injurious, dangerous," also "absurd, illogical" (senses now obsolete), from Latin inconvenientem (nominative inconveniens) "unsuitable, not accordant, dissimilar," from in- "not, opposite of" (see in- (1)) + convenientem (see convenient). In early 15c., "inappropriate, unbecoming, unnatural;" also, of an accused person, "unlikely as a culprit, innocent." Sense of "troublesome, incommodious, awkward" first recorded 1650s.
inconveniently (adv.) Look up inconveniently at
mid-15c., "wrongfully," from inconvenient + -ly (2). Meaning "with trouble or discomfort" is from 1650s.
inconvertible (adj.) Look up inconvertible at
1640s, from in- (1) "not, opposite of" + convertible (adj.). Related: Inconvertibly.
incorporate (v.) Look up incorporate at
late 14c., "to put (something) into the body or substance of (something else), blend; absorb, eat," also "solidify, harden," often in medical writing, from Late Latin incorporatus, past participle of incorporare "unite into one body, embody, include," from Latin in- "into, in, on, upon" (see in- (2)) + verb from corpus (genitive corporis) "body" (see corporeal).

Meaning "to legally form a body politic with perpetual succession and power to act as one person, establish as a legal corporation" is from mid-15c. Intransitive sense of "unite with another body so as to become part of it" is from 1590s. Related: Incorporated; incorporating.
incorporation (n.) Look up incorporation at
late 14c., incorporacioun, "act or process of combining substances; absorption of light or moisture," from Old French incorporacion or directly from Late Latin incorporationem (nominative incorporatio) "an embodying, embodiment," noun of action from past participle stem of incorporare "unite into one body" (see incorporate (v.)). Meaning "the formation of a corporate body (such as a guild) by the union of persons, forming an artificial person," is from early 15c.
Incorporation, n. The act of uniting several persons into one fiction called a corporation, in order that they may be no longer responsible for their actions. A, B and C are a corporation. A robs, B steals and C (it is necessary that there be one gentleman in the concern) cheats. It is a plundering, thieving, swindling corporation. But A, B and C, who have jointly determined and severally executed every crime of the corporation, are blameless. [Ambrose Bierce, 1885]
incorporeal (adj.) Look up incorporeal at
early 15c., "spiritual, immaterial," with -al (1) and Late Latin incorporeus "without body," from in- "not" (see in- (1)) + adjective from corpus (genitive corporis) "body" (see corporeal). The Old French adjective was incorporel.
incorrect (adj.) Look up incorrect at
early 15c., "uncorrected, not chastened into obedience," of sinners, etc. (a sense now obsolete), from Latin incorrectus "uncorrected, not revised," from in- "not" (see in- (1)) + correctus, past participle of corrigere "to put straight; to reform" (see correct (v.)). Sense of "not in good style" is from 1670s; that of "factually wrong, erroneous, inaccurate" is from 1750s (implied in incorrectly).
incorrigibility (n.) Look up incorrigibility at
late 15c., from incorrigible + -ity.
incorrigible (adj.) Look up incorrigible at
mid-14c., "incurable (of diseases, venom, etc.); extravagant (of expense); implacable (of hearts)," from Old French incorrigible "perfect, beyond rebuke or discipline" (14c.) or directly from Latin incorrigibilis "not to be corrected," from in- "not, opposite of" (see in- (1)) + corrigibilis, from corrigere "to correct" (see correct (v.)). From mid-15c. as "incapable of improvement" (of persons). Related: Incorrigibly. As a noun, from 1746.
incorruptibility (n.) Look up incorruptibility at
mid-15c., from Late Latin incorruptibilitas, from incorruptibilis (see incorruptible).
incorruptible (adj.) Look up incorruptible at
mid-14c., in a physical sense, from Old French incorruptible (14c.), or directly from Late Latin incorruptibilis "incorruptible," from Latin incorruptus "unspoiled, unseduced," from in- "not" (see in- (1)) + corruptus (see corrupt (adj.)). From 1660s in English in a moral sense. Related: Incorruptibly.
increase (v.) Look up increase at
early 14c., encresen, "become greater in size or number" (intransitive), "cause to grow, enlarge" (transitive), from Anglo-French encress-, Old French encreiss-, present participle stem of encreistre, from Latin increscere "to increase, to grow upon, grow over, swell, grow into," from in- "in" (see in- (2)) + crescere "to grow" (see crescent). Modern English restored the Latin spelling 16c. Related: Increased; increasing.
increase (n.) Look up increase at
late 14c., "action of increasing; results of an increasing," from increase (v.) or from verbs formed from the noun in Old French or Anglo-French. The stress shifted from 18c. to distinguish it from the verb.
increasingly (adv.) Look up increasingly at
late 14c., from increasing (see increase (v.)) + -ly (2).
incredible (adj.) Look up incredible at
early 15c., "unbelievable, surpassing belief as to what is possible," from Latin incredibilis "not to be believed, extraordinary," from in- "not" (see in- (1)) + credibilis "worthy of belief" (see credible). Used c. 1400 in a now-extinct sense of "unbelieving, incredulous." Related: Incredibly; incredibility.
incredulity (n.) Look up incredulity at
"disbelieving frame of mind," early 15c., from Middle French incrédulité, from Latin incredulitatem (nominative incredulitas) "unbelief," noun of quality from incredulus "unbelieving" (see incredulous).
incredulous (adj.) Look up incredulous at
"unbelieving," 1570s, from Latin incredulus "unbelieving, incredulous," from in- "not" (see in- (1)) + credulus (see credulous). Formerly also of religious beliefs. Related: Incredulously; incredulousness.
increment (n.) Look up increment at
mid-15c., "act or process of increasing," from Latin incrementum "growth, increase; an addition," from stem of increscere "to grow in or upon" (see increase (v.)). Meaning "amount of increase" first attested 1630s.