An imitation that is meant to deceive; counterfeit
is a colloquial term for a person who practices deception or misrepresentation
applies esp. to a person who fraudulently assumes the identity or character of another
, in modern use, suggests a self-promoting person who resorts to cheap methods or trickery in his or her work, etc.
both apply to a person who unscrupulously pretends to knowledge or skill he or she does not possess, but quack almost always is used of a fraudulent or incompetent practitioner of medicine
Find another word for quack. In this page you can discover 27 synonyms, antonyms, idiomatic expressions, and related words for quack, like: charlatan, unprincipled, pretentious, quacksalver, empiric, dissembling, mountebank, impostor, humbug, rogue and fake.
Hence the modern sense of empirical as applied to the guess work of an untrained quack or charlatan.
"It is very evident," he says, "that all other means of improving medicine have been found ineffectual, by the stand it was at for two thousand years, and that, since mathematicians have sot themselves to the study of it, men already begin to talk so intelligibly and comprehensibly, even about abstruse matters, that it is to be hoped that mathematical learning will be the distinguishing mark of a physician and a quack."