GRE smirk Definition A smug or conceited smile, often irritating to others. Example "He gave a knowing smirk after proving he was right." Sign in to save GRE Quiz → ← smelt smithereens → Study tips featuring "smirk" Write GRE Words Into Your Own Sentences Related words GRE swill GRE taper GRE testy GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct