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остроумный adj. stresses
gen.	witty; ingenious (об ответе и т. п.); sharp-witted; smart; brainy; cute; patent; nimble-witted; punny; retortive; spirituel; dodgy (о приспособлении); facetious; quick-witted; waggish; nimble-minded; quippish; sharp-sighted; spirituelle; funny (joyand); nimble minded; nimble witted; sharp sighted; sharp witted; sharp (о замечании); clever (a clever technical solution ART Vancouver); acute; attic; humorsome; lepid; smarting; quick witted
Gruzovik	humorous
inf.	quippy (joyand); snappy (VLZ_58)
Makarov.	spiritual
math.	elegant
obs.	humorsomely
seism.	ingenious (о методе, приспособлении)
slang	slick
uncom.	jestful
остроумно adv.
gen.	quick-wittedly; wittily; quick wittedly; cleverly ("Don't you like this hat?' 'No, sir.' 'Well, I do," I replied rather cleverly, and went out with it tilted just that merest shade over the left eye which makes all the difference. (P.G. Wodehouse) – находчиво ответил / остроумно ответил ART Vancouver); nimbly; punnily; punningly; acutely; with great wit
obs.	facetly

остроумно: 159 phrases in 13 subjects

American usage, not spelling	1
Archaic	1
Business	1
Cinematography	1
Diplomacy	2
French	3
General	97
Informal	11
Literature	1
Makarov	29
Mathematics	1
Slang	10
Stylistics	1