to utter the characteristic sound or cry of a duck, or a sound like it
Origin of quack
echoic the sound made by a duck, or any sound like it
Quack is the sound a duck makes.
- Quack means something dishonest.
An example of quack used as an adjective is in the phrase "a quack scam."
- The definition of a quack is the sound a duck makes, or a person who claims to have a specific skilled that he does not have.
- An example of a quack is what you'll likely hear at a duck park.
- An example of a quack is a fake doctor.
- Quack is defined as to make the noise of a duck.
An example of quack is to imitate a goose.
YourDictionary definition and usage example. Copyright © 2018 by LoveToKnow Corp
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"quack." YourDictionary, n.d. Web. 06 March 2019. <https://www.yourdictionary.com/Quack>.
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quack
- an untrained person who practices medicine fraudulently
- any person who pretends to have knowledge or skill in a particular field; charlatan
Origin of quack
short for quacksalver- characterized by pretentious claims with little or no foundation
- dishonestly claiming to effect a cure
to engage in quackery
Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"quack." YourDictionary, n.d. Web. 06 March 2019. <https://www.yourdictionary.com/Quack>.
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quack. (n.d.). Retrieved March 06th, 2019, from https://www.yourdictionary.com/Quack
quack
noun
The characteristic sound uttered by a duck.
intransitive verb
quacked, quack·ing, quacksTo utter the characteristic sound of a duck.
Origin of quack
Middle English quek of imitative originRelated Forms:
- quack′y
adjective
noun
- An untrained person who pretends to be a physician and dispenses medical advice and treatment.
- A charlatan; a mountebank.
adjective
Relating to or characteristic of a quack: a quack cure.
intransitive verb
quacked, quack·ing, quacksTo act as a medical quack or a charlatan.
Origin of quack
Short for quacksalverRelated Forms:
- quack′er·y
noun
- quack′ish
adjective
- quack′ish·ly
adverb
THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"quack." YourDictionary, n.d. Web. 06 March 2019. <https://www.yourdictionary.com/Quack>.
APA Style
quack. (n.d.). Retrieved March 06th, 2019, from https://www.yourdictionary.com/Quack
Verb
(third-person singular simple present quacks, present participle quacking, simple past and past participle quacked)
Origin
From Middle English *quacken, queken (“to croak like a frog; make a noise like a duck, goose, or quail"), from quack, qwacke, quek, queke (“quack", interjection and noun), also kek, keke, whec-, partly of imitative origin and partly from Middle Dutch quacken (“to croak, quack"), from Old Dutch *kwaken (“to croak, quack"), from Proto-Germanic *kwakanÄ…, *kwakÅnÄ… (“to croak"), of imitative origin. Cognate with Saterland Frisian kwoakje, Middle Low German quaken (“to quack, croak"), German quaken (“to quack, croak"), Danish kvække (“to croak"), Swedish kväka (“to croak, quackle"), Norwegian kvekke (“to croak"), Icelandic kvaka (“to twitter, chirp").
Noun
(plural quacks)
Verb
(third-person singular simple present quacks, present participle quacking, simple past and past participle quacked)
- To practice or commit quackery.
Adjective
(not comparable)
Origin
c 1630, shortening of quacksalver, from Middle Dutch kwaksalver (“hawker of salve") (Dutch kwakzalver), from quacken (“to brag, boast; to croak")
English Wiktionary. Available under CC-BY-SA license.
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"quack." YourDictionary, n.d. Web. 06 March 2019. <https://www.yourdictionary.com/Quack>.
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quack. (n.d.). Retrieved March 06th, 2019, from https://www.yourdictionary.com/Quack
quack - Medical Definition
n.
- An untrained person who pretends to be a physician and dispenses medical advice and treatment.
- A charlatan.
adj.
Relating to or characteristic of a quack: a quack cure.
v.
To act as a medical quack or a charlatan.
Related Forms:
- quack′er·y
n.
- quack′ish
adj.
The American Heritage Dictionary of Medicine © 2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"quack." YourDictionary, n.d. Web. 06 March 2019. <https://www.yourdictionary.com/Quack>.
APA Style
quack. (n.d.). Retrieved March 06th, 2019, from https://www.yourdictionary.com/Quack
Sentence Examples
- Hence the modern sense of empirical as applied to the guess work of an untrained quack or charlatan.
- ALEXANDRE AUGUSTE LEDRU-ROLLIN (1807-1874), French politician, was the grandson of Nicolas Philippe Ledru, the celebrated quack doctor known as "Comus" under Louis XIV., and was born in a house that was once Scarron's, at Fontenay-aux-Roses (Seine), on the 2nd of February 1807.
- In English law, to call a medical practitioner a "quack" is actionable per se without proof of special damage (Allen v.
- An old quack doctor named Levett, who had a wide practice, but among the very poorest class, poured out Johnson's tea in the morning and completed this strange menagerie.
- Although Grattan had a profound contempt for Emmet's political understanding, describing him as a quack in politics who set up his own crude notions as settled rules, Emmet was among the more prudent of the United Irishmen on the eve of the rebellion.
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