Answer: wiseacre

AnswerCrossword Clue
WISEACREKnow-it-all
WISEACREBugs Bunny, for one
WISEACREJoker
WISEACRESmart aleck
WISEACRESmarty-pants
WISEACREKnow-it-all.
WISEACRESmart aleck's rural address?
WISEACRESage field?
WISEACRESmarty
WISEACRESmart alec
WISEACREOne who's smart?
WISEACRESagacious fellow?
wiseacreconceited, often insolent person
wiseacreart aleck
wiseacrea pretentiously wise person, also WISEASS
wiseacreone who pretends to knowledge or cleverness