- unromantic (adj.)
[unromantic 词源字典] - 1731, from un- (1) "not" + romantic (adj.).[unromantic etymology, unromantic origin, 英语词源]
- unruffled (adj.)
- 1650s in figurative sense, from un- (1) "not" + past participle of ruffle (v.). Literal meaning, in reference to feathers, leaves, etc., is recorded from 1816.
- unruly (adj.)
- "disposed to resist lawful restraint," c. 1400, from un- (1) "not" + obsolete ruly (adj.) "amenable to rule." Related: Unruliness.
- unsafe (adj.)
- 1590s, "involving risk or danger," from un- (1) "not" + safe (adj.).
- unsaid (adj.)
- Old English unsæd, from un- (1) "not" + past participle of say (v.). Similar formation in Middle Dutch ongeseit, German ungesagt, Old Norse usagðr.
- unsalted (adj.)
- mid-15c., from un- (1) "not" + past participle of salt (v.). Similar formation in North Frisian unsalted, Swedish osaltad, Danish usaltet.
- unsanitary (adj.)
- 1871, from un- (1) "not" + sanitary (adj.).
- unsatiable (adj.)
- late 14c., from un- (1) "not" + satiable (adj.). Since 17c. the usual form is insatiable.
- unsatisfactory (adj.)
- 1640s, from un- (1) "not" + satisfactory (adj.). Related: Unsatisfactorily; unsatisfactoriness.
- unsatisfied (adj.)
- early 15c., from un- (1) "not" + satisfied (adj.).
- unsaturated (adj.)
- 1756, from un- (1) "not" + past participle of saturate (v.).
- unsavory (adj.)
- also unsavoury, early 13c., "tasteless, insipid," from un- (1) "not" + savory (adj.). Meaning "unpleasant or disagreeable to the taste" is attested from late 14c.; of persons, from c. 1400. Related: Unsavoriness.
- unscathed (adj.)
- late 14c., from un- (1) "not" + past participle of scathe (v.). Mainly in Scottish before 19c. Similar formation in Old Norse ostaðaðr, Swedish oskadad.
- unschooled (adj.)
- 1580s, "untrained," from un- (1) "not" + past participle of school (v.). A verb unschool is attested from 1820.
- unscramble (v.)
- "restore to order," 1911, from un- (2) "reverse, opposite of" + scramble (v.). The original use is in a quip attributed to U.S. financier J.P. Morgan (1837-1913) about the impossibility of unscrambling an omelet.
Mr. Morgan is credited with the aphorism that the recent trust decisions are like an order to a cook to "unscramble" the eggs which have just been prepared. [Proceedings of the Academy of Political Science," January 1912]
Related: Unscrambled; unscrambling.
- unscriptural (adj.)
- 1650s, from un- (1) "not" + scriptural (adj.).
- unscrupulous (adj.)
- 1803, from un- (1) "not" + scrupulous (adj.). Related: Unscrupulously; unscrupulousness.
- unseal (v.)
- early 15c., from un- (2) "reverse, opposite of" + seal (v.). Similar formation in Middle Dutch ontsegelen, Old High German intsigilan. Related: Unsealed (late 14c.).
- unsearchable (adj.)
- late 14c., from un- (1) "not" + searchable (adj.).
- unseasonable (adj.)
- mid-15c., "inopportune," from un- (1) "not" + seasonable (adj.). In reference to weather, "not appropriate to the time of year," it is recorded from 1510s. Related: Unseasonably.
