as in fraud
one who makes false claims of identity or expertise
don't bother to see that guy, as I've heard he's a quack with no actual training
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Example Sentences
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Recent Examples of quack
The nomination to any responsible position of quacks like Robert F. Kennedy Jr. or Florida Surgeon General Joseph Ladapo would put her to that test.
—
Orlando Sentinel and South Florida Sun Sentinel Editorial Boards, Orlando Sentinel, 11 Nov. 2024
Her favorite recording reminded me of a duck’s quack.
—Rivka Galchen, The New Yorker, 14 Oct. 2024
Witness the presidential campaign of anti-vaccine crackpot Robert F. Kennedy Jr. and the dangerous attack on medical science by Florida Gov. Ron DeSantis and his quack henchman, Florida Surgeon General Joseph Ladapo.
—Michael Hiltzik, Los Angeles Times, 30 July 2024
Many in the life-extension movement are quacks or hacks who peddle pills, potions, and false promises; longevity skeptics tend to see the loss of our capacities as something to accept, not avoid.
—Dhruv Khullar, The New Yorker, 15 Apr. 2024
See All Example Sentences for quack
Orlando Sentinel and South Florida Sun Sentinel Editorial Boards, Orlando Sentinel, 11 Nov. 2024
Her favorite recording reminded me of a duck’s quack.
—Rivka Galchen, The New Yorker, 14 Oct. 2024
Witness the presidential campaign of anti-vaccine crackpot Robert F. Kennedy Jr. and the dangerous attack on medical science by Florida Gov. Ron DeSantis and his quack henchman, Florida Surgeon General Joseph Ladapo.
—Michael Hiltzik, Los Angeles Times, 30 July 2024
Many in the life-extension movement are quacks or hacks who peddle pills, potions, and false promises; longevity skeptics tend to see the loss of our capacities as something to accept, not avoid.
—Dhruv Khullar, The New Yorker, 15 Apr. 2024
See All Example Sentences for quack
Recent Examples of Synonyms for quack
Noun
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The suspect was arrested in Florida in March on robbery and fraud charges, before being extradited to Louisiana, the news agency stated.—
Becca Longmire,
People.com,
16 May 2025
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Bonnie Cash/Getty Images The Department of Government Efficiency is continuing its attempts to expand its reach beyond executive branch agencies, this time seeking to embed in an independent legislative watchdog that finds waste, fraud and abuse in the government.—
Stephen Fowler,
NPR,
16 May 2025
Noun
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Fran Drescher also spoke out in favor of the bill, explaining how deep fakes have affected her image.—
Alejandra Gularte,
Vulture,
10 Apr. 2025
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What makes a painting by a master so much better than a really good fake?—
The Editors of ARTnews,
ARTnews.com,
1 Apr. 2025
Noun
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The set features an all-over stitched diamond pattern with neatly finished edges, curved corners, and matching shams for a cohesive look.—
Miles Walls,
Better Homes & Gardens,
29 Apr. 2025
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Your order wouldn’t be complete without matching shams.—
Yelena Moroz Alpert,
Architectural Digest,
26 Apr. 2025
Noun
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Sorting the contenders from pretenders Here’s a quick rundown of where every team stands after the Jets eked out a Game 5 win over the upstart Blues last night in whiteout Winnipeg.—
James Mirtle,
New York Times,
1 May 2025
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The speed with which this group develops chemistry and finds that star could determine where the Crimson Tide fall on the spectrum between contender and pretender.—
CJ Moore,
New York Times,
8 Apr. 2025
Noun
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It was bought for $40,000 in 1937 by medical charlatan Norman Baker.—
Jack Schnedler,
Arkansas Online,
5 May 2025
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No, the danger is what those charlatans exploit, namely our vulnerability to the narrative of natural healing, the irresistible allure of conquering cancer with a simple, intuitive approach that lies entirely within our power, no chemo or surgery required.—
Alan Levinovitz,
Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government,
28 Feb. 2025
Noun
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With tariffs on pharmaceuticals, the mountebank of Mar-A-Lago wants to punish a small democracy of 5.3 million people that for the past 60 years has worked its way into the top table of drug research and production: Ireland.—
Kevin Rennie,
Hartford Courant,
29 Mar. 2025
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Gould observed that Jerry Falwell had taken up the mountebank’s mission of William Jennings Bryan.—
Michael Hiltzik,
Los Angeles Times,
26 July 2024
Noun
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Legitimate candidates face tougher hurdles while impostors glide through.—
Jack Kelly,
Forbes.com,
11 Apr. 2025
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The success of the impostor scam illuminates another reason criminals are able to bilk Americans today.—
Alana Semuels,
TIME,
18 Sep. 2024
Cite this Entry
“Quack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quack. Accessed 21 May. 2025.
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