Definition of quack
intransitive verb
: to make the characteristic cry of a duck
From the M-W Editors
Origin and Etymology of quack
alteration of queck to quack, from Middle English queken, from queke, interjection, of imitative origin
First Known Use: 14th century
1798
First Known Use of quack
1798
quack
Definition of quack
intransitive verb
: to act like a quack
Origin and Etymology of quack
4quack
First Known Use: 1628
quack
Definition of quack
1 : charlatan 2 Religious quacks on radio and television thinking up new ways to take money from ignorant listeners and incidentally from legitimate churches. — Andrew A. Rooney
2 : an ignorant, misinformed, or dishonest practitioner of medicine No doubt these misunderstandings and dashed hopes have driven many cancer patients and their families into the arms of quacks. — Haydn Bush
Origin and Etymology of quack
short for quacksalver
First Known Use: 1638
1653
First Known Use of quack
1653
QUACK Defined for Kids
Definition of quack for Students
quacked
;quacking
: to make the cry of a duck
Definition of quack for Students
: a person who pretends to have medical knowledge and skill
Definition of quack for Students
: relating to, being, or used by a person who pretends to have medical skill a quack doctor quack remedies
Medical Dictionary
quack
Medical Definition of quack
: of, relating to, characteristic of, or being a quack scores of quack remedies for arthritis—Jane E. Brody
Learn More about quack
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See words that rhyme with quack Thesaurus: All synonyms and antonyms for quack Spanish Central: Translation of quack Nglish: Translation of quack for Spanish speakers Britannica English: Translation of quack for Arabic speakers
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