GRE pesky Definition Causing annoyance or difficulty; bothersome. Example "Pesky mosquitoes ruined our evening in the backyard." Sign in to save GRE Quiz → ← pervert pest → Study tips featuring "pesky" 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