definitions

smarty-pants

[ smahr-tee-pants ]
/ ˈsmɑr tiˌpænts /
SEE MORE SYNONYMS FOR smarty-pants ON THESAURUS.COM

noun (used with a singular verb)

smarty.

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RELATED WORDS

know-it-all, malapert, smarty, swellhead, wise-ass, smart-ass, wisenheimer, witling

Nearby words

smartphone, smarts, smartwatch, smartweed, smarty, smarty-pants, smash, smash hit, smash-and-grab, smash-up, smashed

Origin of smarty-pants

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for smarty-pants

smarty-pants

smarty-boots (ˈsmɑːtɪˌbuːts)

/ (ˈsmɑːtɪˌpænts) /

noun

(functioning as singular) informal a would-be clever person
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012