- uncommon (adj.)
[uncommon 词源字典] - 1540s, "not possessed in common," from un- (1) "not" + common (adj.). Meaning "not commonly occurring, unusual, rare" is recorded from 1610s. Related: Uncommonly.[uncommon etymology, uncommon origin, 英语词源]
- uncommunicative (adj.)
- 1690s, from un- (1) "not" + communicative.
- uncomparable (adj.)
- late 14c., "incomparable," from un- (1) "not" + comparable. Meaning "unable to be compared (to something else)" is from 1826. Related: Uncomparably.
- uncompassionate (adj.)
- 1590s, from un- (1) "not" + compassionate (adj.).
- uncompensated (adj.)
- 1774, "not compensated by any good," from un- (1) "not" + past participle of compensate (v.). Meaning "not recompensed" is attested from 1830.
- uncomplaining (adj.)
- 1744, from un- (1) "not" + past participle of complain (v.).
- uncomplicated (adj.)
- 1724, from un- (1) "not" + complicated.
- uncompounded (adj.)
- 1580s, from un- (1) "not" + past participle of compound (v.).
- uncomprehending (adj.)
- 1795, from un- (1) "not" + present participle of comprehend (v.). Related: Uncomprehendingly.
- uncomprehensible (adj.)
- late 14c., from un- (1) "not" + comprehensible. The usual word is incomprehensible.
- uncompromised (adj.)
- 1775, from un- (1) "not" + past participle of compromise (v.).
- uncompromising (adj.)
- 1799, from un- (1) "not" + present participle of compromise (v.). Related: Uncompromisingly.
- unconcerned (adj.)
- 1630s, from un- (1) "not" + past participle of concern (v.). Related: Unconcernedly.
- unconditional (adj.)
- 1660s, from un- (1) "not" + conditional (adj.). Related: Unconditionally. Unconditional surrender in the military sense is attested from 1730; in U.S., often associated with Civil War Gen. Ulysses S. Grant and the taking of Fort Donelson.
The ringing phrase of Grant's latest despatch circulated through the North like some coinage fresh from the mint, and "Unconditional Surrender," which suited the initials of his modest signature, became like a baptismal name. [James Schouler, "History of the United States of America," Dodd, Mead & Co., 1899].
- unconditioned (adj.)
- 1630s, from un- (1) "not" + past participle of condition (v.).
- unconfined (adj.)
- c. 1600, from un- (1) "not" + past participle of confine (v.).
- unconfirmed (adj.)
- 1560s, "not having received the rite of confirmation," from un- (1) "not" + confirmed. Meaning "not supported by further evidence" is attested from 1670s.
- unconformable (adj.)
- 1590s, from un- (1) "not" + past participle of conformable (v.).
- unconformity (n.)
- c. 1600, from un- (1) "not" + conformity. Geological sense is from 1829.
- uncongenial (adj.)
- 1749, from un- (1) "not" + congenial (adj.).
