英语词源字典 - 在线词源网站

unconnected (adj.)[unconnected 词源字典]: 1736, from un- (1) "not" + past participle of connect (v.).[unconnected etymology, unconnected origin, 英语词源]
unconquerable (adj.): 1590s, from un- (1) "not" + conquer + -able.
unconscionable (adj.): 1560s, "showing no regard for conscience," from un- (1) + now rare conscionable "conscientious." Related: Unconscionably.
unconscious (adj.): 1712, "unaware, not marked by conscious thought," from un- (1) "not" + conscious. Meaning "temporarily insensible, knocked out" is recorded from 1860. Related: Unconsciously; unconsciousness. In psychology, the noun the unconscious (1876) is a loan-translation of German das Unbewusste. The adjective in this sense is recorded from 1912.
unconstitutional (adj.): 1734, from un- (1) "not" + constitutional (adj.). Related: Unconstitutionally.
unconstrained (adj.): 1640s, from un- (1) "not" + past participle of constrain (v.). Related: Unconstrainedly.
uncontested (adj.): 1670s, from un- (1) "not" + contested.
uncontrollable (adj.): 1570s, "irrefutable," from un- (1) "not" + controllable. From 1590s as "not subject to authority;" meaning "that cannot be restrained" is from 1640s. Related: Uncontrollably.
uncontrolled (adj.): 1510s, from un- (1) "not" + past participle of control (v.).
uncontroverted (adj.): "not liable to be called into question," 1640s, from un- (1) "not" + past participle of controvert (v.).
unconventional (adj.): 1832, from un- (1) "not" + conventional (adj.). "A 19 cent. epithet for a certain type of affectation." [Weekley] Related: Unconventionally.
unconventionality (n.): 1849, with reference to Shelley, from unconventional + -ity.
unconverted (adj.): 1640s, from un- (1) "not" + past participle of convert (v.).
unconvinced (adj.): 1670s, from un- (1) "not" + past participle of convince (v.). Unconvincing is recorded from 1650s.
uncool (adj.): 1953, in hipster slang, from un- (1) "not" + slang sense of cool (adj.).
uncooperative (adj.): also uncoöperative, 1847, from un- + cooperative (adj.). Related: Uncooperatively.
uncoordinated: 1801, from un- (1) "not" + past participle of coordinate (v.).
uncorrupted (adj.): c. 1400, of organic matter, "not putrefied," from un- (1) "not" + past participle of corrupt (v.). From 1560s of persons, "not influenced by bribes."
uncorruptible (adj.): late 14c., from un- (1) "not" + corruptible (adj.).
uncountable (adj.): late 14c., from un- (1) "not" + count (v.) + -able.