- unwanted (adj.)[unwanted 词源字典]
- 1690s, from un- (1) "not" + past participle of want (v.).[unwanted etymology, unwanted origin, 英语词源]
- unwarranted (adj.)
- 1570s, from un- (1) "not" + past participle of warrant (v.).
- unwary (adj.)
- by 1570s, possibly late 14c., from un- (1) "not" + wary (adj.). Old English had unwær "incautious," unwærlic. Related: Unwarily.
- unwashed (adj.)
- late 14c., from un- (1) "not" + past participle of wash (v.). Replaced Middle English unwashen, from Old English unwæscen. Noun sense of "the lower class" is attested from 1830.
- unwavering (adj.)
- 1560s, from un- (1) "not" + present participle of waver (v.).
- unwearied (adj.)
- mid-13c., from Old English ungewerigod, from un- (1) "not" + past participle of weary (v.).
- unwed (adj.)
- 1510s, from un- (1) "not" + past participle of wed (v.). Unwedded "unmarried; celibate" is from c. 1200.
- unwelcome (adj.)
- early 14c., from un- (1) "not" + welcome (adj.). Similar formation in Middle Dutch onwillecome, German unwillkommen.
- unwell (adj.)
- mid-15c., "somewhat ill," from un- (1) "not" + well (adj.). Similar formation in North Frisian unwel, German unwohl.
- unwholesome (adj.)
- c. 1200, from un- (1) "not" + wholesome (adj.). Similar formation in Flemish onheylsaem, German unheilsam, Old Norse uheilsamr.
- unwieldy (adj.)
- late 14c., "lacking strength, powerless," from un- (1) "not" + obsolete wieldy, from Old English wielde "active, vigorous," from Proto-Germanic *walth- "have power" (see wield (v.)). Meaning "moving ungracefully" is recorded from 1520s; in reference to weapons, "difficult to handle, awkward by virtue of size or shape" it is attested from 1540s. Related: Unwieldiness.
- unwilling (adj.)
- early 15c., altered from or re-formed to replace Middle English unwilland, from Old English unwillende; see un- (1) "not" + willing (adj.); see -ing (2). Related: Unwillingly; unwillingness.
- unwind (v.)
- early 14c., "to undo" (a bandage, wrapping, etc.), from un- (2) "opposite of" + wind (v.1). Similar formation in Old English unwindan "unveil, uncover," Dutch ontwinden, Old High German intwindan. Reflexive sense is recorded from 1740; figurative sense of "to release oneself from tensions, to relax" is by 1938. Related: Unwound; unwinding.
- unwise (adj.)
- Old English unwis, from un- (1) "not" + wise (adj.). Similar formation in Middle Dutch onwijs, Old High German unwis, German unweise, Old Norse uviss, Gothic unweis.
- unwisely (adv.)
- Old English unwislice "foolishly;" see unwise + -ly (2).
- unwitting (adj.)
- late 14c., altered from or re-formed to replace unwitand, from Old English unwitende "ignorant," from un- (1) "not" + witting (adj.); see -ing (2). Similar formation in Old High German unwizzanti, German unwissend, Old Norse uvitandi, Gothic unwitands. Rare after c. 1600; revived c. 1800. Related: Unwittingly.
- unwonted (adj.)
- "not usual," 1550s, from un- (1) "not" + wonted. Earlier (and more correctly) unwont (c. 1400).
- unworkable (adj.)
- 1784, from un- (1) "not" + workable (adj.).
- unworldly (adj.)
- 1707, from un- (1) "not" + worldly (adj.). Related: Unworldliness.
- unworthy (adj.)
- mid-13c., unwurði, from un- (1) "not" + worthy (adj.). Similar formation in Middle Dutch onwerdich, Dutch onwaardig, Middle Low German unwerdich, Old High German unwirdig, Old Norse uverðugr. Old English had unweorðlic. Related: Unworthiness.