Definition of quack
intransitive verb
:to make the characteristic cry of a duck
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Origin and Etymology of quack
alteration of queck to quack, from Middle English queken, from queke, interjection, of imitative origin
First Known Use of quack
1798
Origin and Etymology of 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
First Known Use of quack
1653
QUACK Defined for Kids
Definition of quack for Students
quacked;
quacking
:to make the cry of a duck
Medical Dictionary
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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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