smart-assedadj.
/ˈsmɑːtast/, U.S. /ˈsmɑrdˌæst/ slang (originally and chiefly U.S.).
= smart-ass adj.; overly clever, ‘smart-alecky’.
ΘΚΠ
the mind > mental capacity > understanding > intelligence, cleverness > sharpness, shrewdness, insight > would-be clever person > [adjective]
smarty1850
smart alec1877
clever-clever1896
wise guy1920
slick1921
smarty-pants1932
wisenheimer1937
smart-ass1951
smart-assed1957
smart-arsed1962
smarty-boots1962
smart-arse1965
wise-assed1967
wise-ass1971
1957 H. Simmons Corner Boy i. xxix. 100 I had to find somebody who wasn't so old he'd figure he was a smart-assed punk that could hold out on me.
1960 P. Blondal Candle to light Sun 191 A lot of smart-assed novelists would have you believe they're dirt-coat.
1971 R. Thomas Backup Men iv. 31 Is that supposed to be a smartassed answer?
1979 Globe & Mail (Toronto) 15 Sept. 42/1 It is tempting to be smart-assed when reviewing a Richard Rohmer novel.
2002 J. Goad Shit Magnet ii. 19 People lob smart-assed comments at me from passing cars.
This entry has been updated (OED Third Edition, March 2013; most recently modified version published online March 2022).
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adj.1957