Quack — synonyms, definition

1. quack (a)

fake false phony pretentious pseudo put-on sham

2. quack (Noun)

charlatan cheat confidence man deceiver dissembler fake faker fraud humbug impostor mountebank phony pretender swindler

quack (Noun) — An untrained person who pretends to be a physician and who dispenses medical advice.

quack (Noun) — The harsh sound of a duck.

DoC Dr. Md charlatan doctor medico mountebank physician sound

3. quack (Verb)

cackle cluck crow gabble

quack (Verb) — Utter quacking noises. ex. "The ducks quacked"

quack (Verb) — (medicine) act as a medical quack or a charlatan.

act behave do emit let loose let out utter

4. quack (Adjective)

quack (Adjective) — Medically unqualified. ex. "a quack doctor"