quack

[ kwak ]

/ kwæk /

SEE SYNONYMS FOR quack ON THESAURUS.COM

noun

the harsh, throaty cry of a duck or any similar sound.

verb (used without object)

to utter the cry of a duck or a sound resembling it.

Origin of quack

1610–20; imitative; compare Dutch kwakken,German quacken

Words nearby quack

QTS, qty., qu., qua, Quaalude, quack, quackery, quack grass, quacksalver, Quaco, quad

Definition for quack (2 of 2)

quack²

[ kwak ]

/ kwæk /

noun

a fraudulent or ignorant pretender to medical skill.

a person who pretends, professionally or publicly, to skill, knowledge, or qualifications he or she does not possess; a charlatan.

adjective

being a quack: a quack psychologist who complicates everyone's problems.

presented falsely as having curative powers: quack medicine.

of, relating to, or befitting a quack or quackery: quack methods.

verb (used with object)

to treat in the manner of a quack.

to advertise or sell with fraudulent claims.

Origin of quack

First recorded in 1620–30; short for quacksalver

SYNONYMS FOR quack

2 mountebank, phony.

SEE SYNONYMS FOR quack ON THESAURUS.COM

OTHER WORDS FROM quack

quackish, adjectivequack·ish·ly, adverbquack·ish·ness, noun

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for quack

Humor and historical distance allow me to illustrate how a quack operates in a way that I could not with a contemporary example.
The Strange, True Tale of the Old-Timey Goat Testicle-Implanting 'Governor'|Penny Lane|September 16, 2014|DAILY BEAST
Google his name, and the top two related searches come up as “Daniel Amen scam” and “Daniel Amen quack.”
Can Daniel Amen Read Your Mind?|Eliza Shapiro|December 14, 2012|DAILY BEAST
Duck calls are short, whistle-like tools used to emit “quack” sounds in order to lure ducks for hunting.
Dummies’ Guide to ‘Duck Dynasty’|Melissa Leon|December 8, 2012|DAILY BEAST
Even the quack doctor, Dr. Gopalarajan, derives a real glimmer of joy from believing he has “helped, not harmed” a fellow being.
Must Read Fiction: ‘Prague Fatale,’ ‘Derby Day’ and More|Malcolm Forbes, Hillary Kelly, Mythili Rao|May 9, 2012|DAILY BEAST

Especially should we refuse to patronize the quack advertiser.
How to Live|Irving Fisher and Eugene Fisk
So a French quack adorns his shop with a gilded bust of Hippocrates!
Blackwood's Edinburgh Magazine, Volume 65, No. 403, May, 1849|Various
This essential information obtained, the quack at once sets his moral rack to work.
Danger! A True History of a Great City's Wiles and Temptations|William Howe
Before long the government will pass laws on this baneful, shameful, quack advertising.
Evening Round Up|William Crosbie Hunter
The change from speaking to singing voice is where the quack enters with his mystery.
Seed Thoughts for Singers|Frank Herbert Tubbs

British Dictionary definitions for quack (1 of 2)

quack¹

/ (kwæk) /

verb (intr)

(of a duck) to utter a harsh guttural sound

to make a noise like a duck

noun

the harsh guttural sound made by a duck

Word Origin for quack

C17: of imitative origin; related to Dutch kwakken, German quacken

British Dictionary definitions for quack (2 of 2)

quack²

/ (kwæk) /

noun

an unqualified person who claims medical knowledge or other skills
(as modifier)a quack doctor

British, Australian and NZ informal a doctor; physician or surgeon

verb

(intr) to act in the manner of a quack

Derived forms of quack

quackish, adjective

Word Origin for quack

C17: short for quacksalver

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for quack

quack

[ kwăk ]

n.

An untrained person who pretends to be a physician and dispenses medical advice and treatment.

A charlatan.

Other words from quack

quack′er•y n.

单词	quack
释义	quack ¹ [ kwak ] / kwæk / SEE SYNONYMS FOR quack ON THESAURUS.COM noun the harsh, throaty cry of a duck or any similar sound. verb (used without object) to utter the cry of a duck or a sound resembling it. Origin of quack ¹ 1610–20; imitative; compare Dutch kwakken,German quacken Words nearby quack QTS, qty., qu., qua, Quaalude, quack, quackery, quack grass, quacksalver, Quaco, quad Definition for quack (2 of 2) quack² [ kwak ] / kwæk / noun a fraudulent or ignorant pretender to medical skill. a person who pretends, professionally or publicly, to skill, knowledge, or qualifications he or she does not possess; a charlatan. adjective being a quack: a quack psychologist who complicates everyone's problems. presented falsely as having curative powers: quack medicine. of, relating to, or befitting a quack or quackery: quack methods. verb (used with object) to treat in the manner of a quack. to advertise or sell with fraudulent claims. Origin of quack ² First recorded in 1620–30; short for quacksalver SYNONYMS FOR quack 2 mountebank, phony. SEE SYNONYMS FOR quack ON THESAURUS.COM OTHER WORDS FROM quack quackish, adjectivequack·ish·ly, adverbquack·ish·ness, noun Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for quack Humor and historical distance allow me to illustrate how a quack operates in a way that I could not with a contemporary example. The Strange, True Tale of the Old-Timey Goat Testicle-Implanting 'Governor'\|Penny Lane\|September 16, 2014\|DAILY BEAST Google his name, and the top two related searches come up as “Daniel Amen scam” and “Daniel Amen quack.” Can Daniel Amen Read Your Mind?\|Eliza Shapiro\|December 14, 2012\|DAILY BEAST Duck calls are short, whistle-like tools used to emit “quack” sounds in order to lure ducks for hunting. Dummies’ Guide to ‘Duck Dynasty’\|Melissa Leon\|December 8, 2012\|DAILY BEAST Even the quack doctor, Dr. Gopalarajan, derives a real glimmer of joy from believing he has “helped, not harmed” a fellow being. Must Read Fiction: ‘Prague Fatale,’ ‘Derby Day’ and More\|Malcolm Forbes, Hillary Kelly, Mythili Rao\|May 9, 2012\|DAILY BEAST Especially should we refuse to patronize the quack advertiser. How to Live\|Irving Fisher and Eugene Fisk So a French quack adorns his shop with a gilded bust of Hippocrates! Blackwood's Edinburgh Magazine, Volume 65, No. 403, May, 1849\|Various This essential information obtained, the quack at once sets his moral rack to work. Danger! A True History of a Great City's Wiles and Temptations\|William Howe Before long the government will pass laws on this baneful, shameful, quack advertising. Evening Round Up\|William Crosbie Hunter The change from speaking to singing voice is where the quack enters with his mystery. Seed Thoughts for Singers\|Frank Herbert Tubbs British Dictionary definitions for quack (1 of 2) quack¹ / (kwæk) / verb (intr) (of a duck) to utter a harsh guttural sound to make a noise like a duck noun the harsh guttural sound made by a duck Word Origin for quack C17: of imitative origin; related to Dutch kwakken, German quacken British Dictionary definitions for quack (2 of 2) quack² / (kwæk) / noun an unqualified person who claims medical knowledge or other skills (as modifier)a quack doctor British, Australian and NZ informal a doctor; physician or surgeon verb (intr) to act in the manner of a quack Derived forms of quack quackish, adjective Word Origin for quack C17: short for quacksalver Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to quack simulated, bum, pseudo, phony, pretended, fake, sham, dissembling, mountebank, faker, sharp, whip, counterfeit, actor, cheat, counterfeiter, humbug, pretender, fraud, impostor Medical definitions for quack quack [ kwăk ] n. An untrained person who pretends to be a physician and dispenses medical advice and treatment. A charlatan. Other words from quack quack′er•y n. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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quack

noun

verb (used without object)

Origin of quack

Words nearby quack

Definition for quack (2 of 2)

noun

adjective

verb (used with object)

Origin of quack

SYNONYMS FOR quack

OTHER WORDS FROM quack

Example sentences from the Web for quack

British Dictionary definitions for quack (1 of 2)

verb (intr)

noun

Word Origin for quack

British Dictionary definitions for quack (2 of 2)

noun

verb

Derived forms of quack

Word Origin for quack

Words related to quack

Medical definitions for quack

n.

Other words from quack