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 PDF — $25 ← smelt smithereens → Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant