quack

quack

noun

Definition of QUACK

one who makes false claims of identity or expertise <don't bother to see that guy, as I've heard he's a quack with no actual training>

Synonyms charlatan, fake, faker, fakir, fraud, hoaxer, humbug, mountebank, phony (also phoney), pretender, quack, quacksalver, ringer, sham

Related Words copycat, imitator, impersonator, mimic; actor, bluffer, counterfeiter, deceiver, dissembler, duper, feigner, misleader, operator, trickster; poseur; cozener, defrauder, dodger, fraudster [chiefly British], scammer, scamster, sharper, sharpie (or sharpy), skinner, swindler

Near Antonyms ace, adept, authority, crackerjack (also crackajack), expert, maestro, master, past master, professional, virtuoso, whiz, wizard