unlade (v.) Look up unlade at Dictionary.com
"remove the cargo from," Old English onhladen; see un- (2) "reverse, opposite of" + lade (v.). Related: Unladen; unlading.
unladen (adj.) Look up unladen at Dictionary.com
1802, past participle adjective from unlade (v.).
unladylike (adj.) Look up unladylike at Dictionary.com
1824, from un- (1) "not" + ladylike.
unlamented (adj.) Look up unlamented at Dictionary.com
1590s, from un- (1) "not" + past participle of lament (v.).
unlatch (v.) Look up unlatch at Dictionary.com
1640s, from un- (2) "reverse, opposite of" + latch (v.).
unlawful (adj.) Look up unlawful at Dictionary.com
"contrary to law, illegal," c.1300, from un- (1) "not" + lawful. Unlawful assembly is recorded in statutes from late 15c. Related: Unlawfully. Old English had a noun unlagu ("unlaw") "illegal action, abuse of law."
unleaded (adj.) Look up unleaded at Dictionary.com
1610s, "having no lead," from un- (1) "not" + leaded (see lead (v.2)). In reference to gasoline, from 1965. In reference to printing, from 1902.
unlearn (v.) Look up unlearn at Dictionary.com
mid-15c., from un- (2) "reverse, opposite of" + learn (v.).
unlearned (adj.) Look up unlearned at Dictionary.com
c.1400, "ignorant," from un- (1) "not" + learned (adj.). From 1530s as "not acquired by learning," from past participle of learn (v.). Old English had unlæred.
unleash (v.) Look up unleash at Dictionary.com
1670s, from un- (2) "reverse, opposite of" + leash (v.). Related: Unleashed; unleashing.
unleavened (adj.) Look up unleavened at Dictionary.com
1520s, from un- (1) "not" + past participle of leaven (v.).
unless (conj.) Look up unless at Dictionary.com
mid-15c., earlier onlesse, from on lesse (than) "on a less condition (than);" see less. The first syllable originally on, but the negative connotation and the lack of stress changed it to un-. "Except could once be used as a synonym for unless, but the words have now drawn entirely apart" [Century Dictionary].
unlettered (adj.) Look up unlettered at Dictionary.com
mid-14c., "not possessed of book-learning," from un- (1) "not" + lettered. An anglicized form of illiterate. Similar formation in Middle Dutch ongelettert.
unlicensed (adj.) Look up unlicensed at Dictionary.com
1630s, from un- (1) "not" + past participle of licence (v.).
unlike (adj.) Look up unlike at Dictionary.com
c.1200, "not resembling," from un- (1) "not" + like (adj.). Similar formation in Old English ungelic, Old Frisian unlik, Old Norse ulikr, Middle Danish ulige, German ungleich.
unlike (adv.) Look up unlike at Dictionary.com
c.1300, "unevenly," from un- (1) "not" + like (adv.) (see like (adj.)). From 1590s as "in a manner differing."
unlikely (adj.) Look up unlikely at Dictionary.com
late 14c., "not likely to occur," from un- (1) "not" + likely (adj.). Similar formation in Old Norse ulikligr, Middle Danish uligelig. Meaning "not likely to be true" is recorded from 1590s. Related: Unlikeliness; unlikelihood.
unlikely (adv.) Look up unlikely at Dictionary.com
mid-15c., "improbably," from un- (1) "not" + likely (adv.) (see likely (adj.)).
unlimber (v.) Look up unlimber at Dictionary.com
1760, "to free (a gun) from its limber," usually for the purpose of bringing it into action, from un- (2) "opposite of" + limber "attach a gun to its limber" (see limber (n.)). Figurative sense is attested from 1864. Related: Unlimbered; unlimbering.
unlimited (adj.) Look up unlimited at Dictionary.com
mid-15c., from un- (1) "not" + past participle of limit (v.).
unlink (v.) Look up unlink at Dictionary.com
c.1600, from un- (2) "reverse, opposite of" + past participle of link (v.). Related: Unlinked; unlinking.
unlisted (adj.) Look up unlisted at Dictionary.com
1640s, from un- (1) "not" + past participle of list (v.). In reference to stocks, attested from 1905; of phone numbers, from 1937 (American English).
unlivable (adj.) Look up unlivable at Dictionary.com
1834, "incapable of being lived in," from un- (1) "not" + livable.
unload (v.) Look up unload at Dictionary.com
1520s, in reference to cargo, from un- (2) + load (v.). Figurative sense (in reference to feelings, etc.) is recorded from 1590s. Used in reference to sales of stocks by 1870, hence U.S. colloquial sense "dispose of property the holding of which is risky" (1881). Related: Unloaded; unloading.
unlock (v.) Look up unlock at Dictionary.com
c.1400, from un- (2) "reverse, opposite of" + lock (v.). Figurative sense is attested from 1530s. Old English had unlucan "to unlock, open." Related: Unlocked; unlocking.
unlooked (adj.) Look up unlooked at Dictionary.com
c.1300, "neglected," from un- (1) "not" + past participle of look (v.). With for, "unexpected," attested from 1530s.
unloose (v.) Look up unloose at Dictionary.com
mid-14c., "relax;" late 14c., "to set free," from un- (2), used here emphatically, + loose. Old English had unliesan "unloose, set free." Related: Unloosed; unloosing.
unloved (adj.) Look up unloved at Dictionary.com
late 14c., from un- (1) "not" + past participle of love (v.). A verb, unlove (with un- (2)) is attested from late 14c. Old English unlofod meant "unpraised."
He that can love unloved again,
Hath better store of love than brain
[Robert Ayton (1570-1638)]
unlovely (adj.) Look up unlovely at Dictionary.com
late 14c., "not evoking feelings of love," from un- (1) "not" + lovely. Meaning "ugly" is recorded from 1390s.
unlucky (adj.) Look up unlucky at Dictionary.com
1520s, "marked by misfortune or failure," from un- (1) "not" + lucky (adj.). Similar formation in West Frisian unlokkich, Mliddle Low German unluckich. Sense of "boding ill" is recorded from 1540s; that of "having bad luck" is from 1550s; that of "bringing bad luck" is from 1580s. Related: Unluckily; unluckiness.
unmade (adj.) Look up unmade at Dictionary.com
mid-13c., "not yet made, unfinished, incomplete," from un- (1) "not" + past participle of make (v.).
unmake (v.) Look up unmake at Dictionary.com
late 14c., "bring down, dethrone;" early 15c., "undo, destroy, reduce to an unmade state," from un- (2) "reverse, opposite of" + make (v.). Similar formation in Middle Dutch ontmaken, German entmachen.
unmaking (n.) Look up unmaking at Dictionary.com
"ruin, destruction," 1590s, verbal noun from unmake (v.).
unman (v.) Look up unman at Dictionary.com
1590s, "to deprive of the attributes of a human being," from un- (2) + verbal derivative of man (n.). Meaning "to deprive of manly courage" is attested from c.1600; that of "to emasculate" is from 1680s.
unmanageable (adj.) Look up unmanageable at Dictionary.com
1630s, from un- (1) "not" + manageable (adj.). Related: Unmanageably; unmanageableness.
unmanaged (adj.) Look up unmanaged at Dictionary.com
c.1600, from un- (1) "not" + past participle of manage (v.).
unmanly (adj.) Look up unmanly at Dictionary.com
late 15c., "degrading to a human,"from un- (1) "not" + manly (adj.). Similar formation in Middle Dutch onmamlijc, German unmännlich. Meaning "not having the qualities or attributes of a man" (as opposed to a woman or child) is from 1540s. Old English had unmennisclic "inhuman" (adj.); unmann (n.) "monster; wicked man."
unmanned (adj.) Look up unmanned at Dictionary.com
"not furnished with a crew," 1540s, from un- (1) "not" + past participle of man (v).
unmannerly (adj.) Look up unmannerly at Dictionary.com
late 14c., from un- (1) "not" + mannerly (adj.).
unmarked (adj.) Look up unmarked at Dictionary.com
c.1400, "having been given no mark," from un- (1) "not" + past participle of mark (v.). Similar formation in Old Norse umarkaðr. Meaning "not noticed or observed" is recorded from 1530s.
unmarketable (adj.) Look up unmarketable at Dictionary.com
1650s, from un- (1) "not" + marketable (adj.).
unmarred (adj.) Look up unmarred at Dictionary.com
c.1200, from un- (1) "not" + past participle of mar (v.).
unmarried (adj.) Look up unmarried at Dictionary.com
c.1300, from un- (1) "not" + past participle of marry (v.). In former use most often applied to one who has never married.
unmask (v.) Look up unmask at Dictionary.com
1580s in figurative sense, c.1600 in literal sense (transitive and intransitive), from un- (2) "reverse, opposite of" + mask (v.). Related: Unmasked; unmasking.
unmastered (adj.) Look up unmastered at Dictionary.com
1560s, from un- (1) "not" + past participle of master (v.).
unmatched (adj.) Look up unmatched at Dictionary.com
1580s, "unrivaled," from un- (1) "not" + past participle of match (v.).
unmeaning (adj.) Look up unmeaning at Dictionary.com
"having no signification," 1709, from un- (1) "not" + present participle of mean (v.).
unmeasurable (adj.) Look up unmeasurable at Dictionary.com
late 14c., from un- (1) "not" + measurable (adj.). Related: Unmeasurably.
unmediated (adj.) Look up unmediated at Dictionary.com
1640s, from un- (1) "not" + past participle of mediate (v.).
unmeet (adj.) Look up unmeet at Dictionary.com
Old English unmæte "immoderate, excessive," from un- (1) "not" + meet (adj.). Similar formation in Old High German unmazi. Meanings "unfitting" and "unsuited" (for some purpose) are from 1520s.