Synonyms and Antonyms 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, impostor, quacksalver, ringer, shamRelated 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, swindlerNear Antonyms ace, adept, authority, crackerjack (also crackajack), expert, maestro, master, past master, professional, virtuoso, whiz, wizard
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