in-migration (n.) Look up in-migration at Dictionary.com
1942, American English, in reference to movement within the same country (as distinguished from immigration), from in (prep.) + migration.
in-patient (n.) Look up in-patient at Dictionary.com
also inpatient, 1760, "person who stays in a hospital for treatment," from in (prep.) + patient (n.). As an adjective by 1890.
in-service (adj.) Look up in-service at Dictionary.com
also inservice, 1928, from in (prep.) + service (n.).
in-store (adj.) Look up in-store at Dictionary.com
also instore, 1954, from in (prep.) + store (n.). In Middle English, instore was a verb meaning "to restore, renew," from Latin instaurare.
in-transit (adj.) Look up in-transit at Dictionary.com
1907, from commercial verbal phrase in transit "on the way or passage, while passing from one to another" (1819, earlier in Latin form in transitu), from in + transit (n.).
inability (n.) Look up inability at Dictionary.com
mid-15c., inhabilite, "disqualification for office," from in- (1) + ability. Earlier was unability "incapability; incompetence" (late 14c.). General sense "state of being unable" is recorded by c. 1500.
inable (v.) Look up inable at Dictionary.com
obsolete form of enable.
inaccessible (adj.) Look up inaccessible at Dictionary.com
early 15c., from Middle French inaccessible (14c.), from Late Latin inaccessibilis "unapproachable," from in- "not" (see in- (1)) + accessibilis "approachable" (see accessible). Related: Inaccessibly; inaccessibility. Earlier in same sense was unaccessible (c. 1400).
inaccuracy (n.) Look up inaccuracy at Dictionary.com
1701, "quality or condition of being inaccurate," from inaccurate + -cy. As "an instance of being inaccurate, that which is inaccurate," 1704.
inaccurate (adj.) Look up inaccurate at Dictionary.com
1690s, from in- (1) "not" + accurate. Unaccurate is attested from 1670s. Related: Inaccurately (1660s).
inaction (n.) Look up inaction at Dictionary.com
1705, from in- (1) "not, opposite of" + action (n.). Perhaps modeled on French Inaction.
inactive (adj.) Look up inactive at Dictionary.com
1640s, from in- (1) "not, opposite of" + active. Perhaps a back-formation from Inactivity.
inactivity (n.) Look up inactivity at Dictionary.com
1640s, from in- (1) "not, opposite of" + activity. Phrase masterly inactivity attested by 1791.
inadequacy (n.) Look up inadequacy at Dictionary.com
1764, from inadequate + -cy. Related: Inadequacies.
inadequate (adj.) Look up inadequate at Dictionary.com
1670s; see in- (1) "not, opposite of" + adequate. Related: Inadequately.
inadmissible (adj.) Look up inadmissible at Dictionary.com
1744, from in- (1) "not, opposite of" + admissible. Perhaps modeled on French inadmissible. Related: Inadmissibility.
inadvertence (n.) Look up inadvertence at Dictionary.com
mid-15c., from Old French inadvertance "thoughtlessness, heedlessness" (14c.), from Scholastic Latin inadvertentia, from in- "not" (see in- (1)) + advertentia, from Latin advertere "to direct one's attention to," literally "to turn toward" (see advertise).
inadvertent (adj.) Look up inadvertent at Dictionary.com
1650s, "not properly attentive" (of persons), a back-formation from inadvertence. Meaning "unconscious, unintentional" (of actions) is from 1724.
inadvertently (adv.) Look up inadvertently at Dictionary.com
1670s, from inadvertent + -ly (2). "Inattentively, carelessly," hence "unintentionally."
inadvisability (n.) Look up inadvisability at Dictionary.com
1839, from inadvisable + -ity.
inadvisable (adj.) Look up inadvisable at Dictionary.com
1819, from in- (1) "not, opposite of" + advisable.
inalienable (adj.) Look up inalienable at Dictionary.com
"that cannot be given up," 1640s, from in- (1) "not, opposite of" + alienable (adj.). Perhaps from French inaliénable (16c.). Related: Inalienably; Inalienability.
inamorata (n.) Look up inamorata at Dictionary.com
"female lover, woman with whom one is in love," 1650s, from Italian innamorata "mistress, sweetheart," noun use of fem. of innamorato, past participle of innamorare "to fall in love," from in "in" (from Latin, see in) + amore "love," from Latin amor (see Amy).
inamorato (n.) Look up inamorato at Dictionary.com
"male lover; man who is in love," 1590s, from Italian innamorato, noun use of masc. past participle of innamorare "to fall in love" (see inamorata).
inane (adj.) Look up inane at Dictionary.com
1660s, "empty, void," from Latin inanis or else a back-formation from inanity (q.v.). Sense of "silly, empty-headed" is from 1819. Related: Inanely. Bailey's Dictionary (1731) has inaniloquent "given to empty talk."
inanimate (adj.) Look up inanimate at Dictionary.com
early 15c., "without vital force,having lost life," from Late Latin inanimatus "lifeless," from in- "not" (see in- (1)) + animatus (see animation). The Latin word closest corresponding in form and sense is inanimalis. Meaning "lacking vivacity, without spirit, dull" is from 1734. Inanimate as a verb meant "infuse with life or vigor" (17c.), from the other in- (see in- (2)).
inanition (n.) Look up inanition at Dictionary.com
in medicine, "exhaustion from lack of nourishment," c. 1400, "pathological draining or depletion of blood, humors, or bodily fluids," from Old French inanition (14c.) and directly from Latin inanitionem (nominative inanitio) "emptiness," noun of action from past participle stem of inanire "to empty," from inanis "empty, void; worthless, useless," a word of uncertain origin.
inanity (n.) Look up inanity at Dictionary.com
c. 1600, "emptiness, hollowness," literal and figurative, from French inanité (14c.) or directly from Latin inanitas "emptiness, empty space," figuratively "worthlessness," noun of quality from inanis "empty, void; worthless, useless," a word of uncertain origin. De Vaan writes that "The chronology of attestations suggests that 'empty, devoid of' is older than 'hollow'." Meaning "silliness, want of intelligence" is from 1753.
inappetence (n.) Look up inappetence at Dictionary.com
"failure of appetite," 1690s, from French inappétence (16c.), from assimilated form of in- "not, opposite of" (see in- (1)) + appétence "desire" (for food); see appetence. Related: Inappetency (1610s).
inapplicable (adj.) Look up inapplicable at Dictionary.com
1650s, from in- (1) "not, opposite of" + applicable. Related: Inapplicably; inapplicability.
inapposite (adj.) Look up inapposite at Dictionary.com
"not pertinent, not fit or suitable," 1620s (implied in inappositely), from in- (1) "not, opposite of" + apposite.
inappreciable (adj.) Look up inappreciable at Dictionary.com
1773, "too inconsiderable to matter;" 1787, "that cannot be sufficiently appreciated," from in- (1) "not, opposite of" + appreciable. Perhaps modeled on French inappreciable. Related: Inappreciably.
inapprehensible (adj.) Look up inapprehensible at Dictionary.com
1640s, from in- (1) "not, opposite of" + apprehensible.
inappropriate (adj.) Look up inappropriate at Dictionary.com
1791, from in- (1) "not, opposite of" + appropriate (adj.). Related: Inappropriately; inappropriateness. Unappropriate is from 1742.
inapt (adj.) Look up inapt at Dictionary.com
"ill-suited to the purpose or occasion," 1734, from in- (1) "not, opposite of" + apt. Related: Inaptly; inaptness. Compare inept.
inaptitude (n.) Look up inaptitude at Dictionary.com
1610s, from in- (1) "not, opposite of" + aptitude. The Frenchified version is ineptitude.
inarticulate (adj.) Look up inarticulate at Dictionary.com
c. 1600, "not clear or intelligible" (of speech); "not jointed or hinged, not composed of segments connected by joints" (in biology), from Late Latin inarticulatus "not articulate, not distinct," from in- "not" (see in- (1)) + articulatus, past participle of articulare "to separate into joints; to utter distinctly" (see articulation). Of persons, "not able to speak clearly," 1754. Related: Inarticulately; inarticulateness; inarticulable.
inartistic (adj.) Look up inartistic at Dictionary.com
"not conformable to the rules or principles of art" [Century Dictionary], 1836, from in- (1) "not" + artistic. Inartistical is attested from 1849. Related: Inartistically.
inasmuch (adv.) Look up inasmuch at Dictionary.com
contraction of phrase in as much "to such a degree," which is first attested c. 1300 as in als mikel, a Northern form. Contracted to in asmuch, then, beginning 14c. and especially since 17c., to one word. Meaning "in view of the fact" (followed by as) is from late 14c.
inattention (n.) Look up inattention at Dictionary.com
1710, from in- (1) "not, opposite of" + attention. Perhaps modeled on French inattention.
inattentive (adj.) Look up inattentive at Dictionary.com
1650s, from in- (1) "not, opposite of" + attentive. Related: Inattentively; inattentiveness.
inaudibility (n.) Look up inaudibility at Dictionary.com
1808, from inaudible + -ity.
inaudible (adj.) Look up inaudible at Dictionary.com
c. 1600, "unable to be heard," from Late Latin inaudibilis "inaudible," from in- "not" (see in- (1)) + audibilis (see audible). Used in Middle English in the sense "unfit to be heard" (mid-15c.). Related: Inaudibly. Classical Latin had inauditus "unheard, unheard of."
inaugural (adj.) Look up inaugural at Dictionary.com
1680s, from French inaugural (17c.), from inaugurer "to inaugurate" (14c.), from Latin inaugurare "to inaugurate" (see inauguration). The noun meaning "an inaugural address" is recorded from 1832, American English.
inaugurate (v.) Look up inaugurate at Dictionary.com
"induct into office by formal ceremony," c. 1600, a back-formation from inauguration (q.v.) and also from Latin inauguratus, past participle of inaugurare. The etymological sense is "make a formal beginning or induction into office with suitable ceremonies" (which in ancient Rome included especially the taking of auguries). Related: Inaugurated; inaugurating; inaugurator.
inauguration (n.) Look up inauguration at Dictionary.com
1560s, from French inauguration "installation, consecration," and directly from Late Latin inaugurationem (nominative inauguratio) "consecration," presumably originally "installment under good omens;" noun of action from past participle stem of inaugurare "take omens from the flight of birds; consecrate or install when omens are favorable," from in- "on, in" (see in- (2)) + augurare "to act as an augur, predict" (see augur (n.)).
INAUGURATIO was in general the ceremony by which the augurs obtained, or endeavoured to obtain, the sanction of the gods to something which had been decreed by man; in particular, however, it was the ceremony by which things or persons were consecrated to the gods .... If the signs observed by the inaugurating priest were thought favourable, the decree of men had the sanction of the gods, and the inauguratio was completed. [William Smith (ed.), "Dictionary of Greek and Roman Antiquities," 1842]
inauspicious (adj.) Look up inauspicious at Dictionary.com
1590s, from in- (1) "not, opposite of" + auspicious. Related: Inauspiciously; inauspiciousness. The Latin word was inauspicatus "without auspices; with bad auspices," which had a brief career in English as inauspicate (17c.).
inauthentic (adj.) Look up inauthentic at Dictionary.com
1783, from in- (1) "not, opposite of" + authentic. Related: Inauthentically.
inboard (adv.) Look up inboard at Dictionary.com
"within the hull or interior of a ship," 1830, from in (adv.) + board (n.2).
inborn (adj.) Look up inborn at Dictionary.com
Old English inboren "native to a place, indigenous, aboriginal," from in (prep.) "within" + boren "brought forth" (see born). Of personal qualities, "innate, implanted by nature," 1510s.