wiseacre

wiseacre

noun

Definition of WISEACRE

a person who likes to show off in a clever but annoying way <a loudmouthed wiseacre who thinks he is more amusing than he really is>

Synonyms smarty (or smartie), smarty-pants, wiseacre, wiseass, wise guy, wisenheimer (also weisenheimer)

Related Words know-all [chiefly British], know-it-all; wisecracker; hotshot, show-off