Synonyms of quack in English:

quack


See definition of quack

noun

1‘the man is a quack selling fake medicines’

SYNONYMS
swindler, charlatan, mountebank, confidence trickster, fraud, fraudster, impostor, trickster, racketeer, hoaxer, sharper, rogue, villain, scoundrel
informal con man, shark, flimflammer, sharp
British informal twister
North American informal grifter, bunco artist, chiseller
Australian informal shicer, magsman, illywhacker
dated confidence man
rare defalcator

2‘get the quack to examine you’

SYNONYMS
doctor, physician, medical practitioner, medical man, medical person, medical woman
surgeon
informal doc, medic, medico
archaic leech, sawbones

adjective

1‘a quack doctor’

SYNONYMS
bogus, false, fraudulent, unqualified, not genuine
spurious, sham, imitation, mock, fake, feigned, simulated, dummy, make-believe, so-called, forged, counterfeit, pseudo, pretended
informal phoney, pretend
British informal cod