Find another word for know-it-all. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for know-it-all, like: witling, smart aleck, wiseacre, malapert, saucebox, smarty, smarty-pants, wisenheimer, wisecracker, wise guy and good.
He is effete, pompous, infuriatingly know-it-all, and a welcome addition to any Star Trek plotline.
"It's a skip case," DeLeo said with a know-it-all air that defied anyone to doubt him.
know-it-all critics and people such as myself constantly pecking away at you.