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
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
To its credit, the IPCC has elevated the debate and increased the credibility of climate science, minimizing the impact of climate quacks.
—Ken Silverstein, Forbes, 12 Feb. 2024
See All Example Sentences for 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
To its credit, the IPCC has elevated the debate and increased the credibility of climate science, minimizing the impact of climate quacks.
—Ken Silverstein, Forbes, 12 Feb. 2024
See All Example Sentences for quack
Recent Examples of Synonyms for quack
Noun
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After Elizabeth Holmes lost her last-ditch effort to overturn her 2022 fraud conviction by a federal appeals court on Monday, Feb. 24, the former Theranos founder responded to the decision from behind bars.—
Danielle Bacher,
People.com,
5 Mar. 2025
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In 2023, researchers revealed that tens of thousands of Android TV boxes being used in homes, schools, and businesses were equipped with secret backdoors that allowed them to be used in a host of cybercrime and online fraud.—
Lily Hay Newman,
WIRED,
5 Mar. 2025
Noun
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Once the actor put a razor to his upper lip, Donner ripped off his own mustache — a fake.—
David Morgan,
CBS News,
27 Feb. 2025
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The first is social engineering, using impersonation and deep fakes to trick an employee into giving up sensitive information.—
Matt Robison,
Newsweek,
24 Feb. 2025
Noun
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Color choices include oatmeal, cream, and silver – and the shams are sold separately.—
Terri Williams,
Forbes,
10 Mar. 2025
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Extended deterrence was a sham, and the people who relied on it were suckers.—
Gideon Rose,
Foreign Affairs,
8 Mar. 2025
Noun
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The bot will see you now: Therapists in the U.S. are getting ready for a battle with A.I. pretenders.—
Natasha Frost,
New York Times,
25 Feb. 2025
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Without a bit more heart and soul, the spinoff is just a pretender in a nicely tailored suit.—
Kelly Lawler,
USA TODAY,
25 Feb. 2025
Noun
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There was too much history for anyone to dismantle, let alone a charlatan like Hitler.—
Luke Berryman,
New York Daily News,
27 Feb. 2025
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Other contributor: Conor O’Neill (Top photo: Adam Davy/PA Images via Getty Images) Comments W Will S. · 2h 34m ago Because Maresca is a one trick pony charlatan and half of Chelsea’s first team players are more interested in Snapchat & Twitter.—
Anantaajith Raghuraman,
The Athletic,
15 Feb. 2025
Noun
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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
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Now, this pallid Color Purple epitomizes the artistic dearth of an era when a cultural mountebank like Winfrey uses race and feminist guile to cheat us of America’s most creative achievements.—
Armond White,
National Review,
3 Jan. 2024
Noun
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Next comes the financial institution impostor phase.—
Kurt Knutsson, CyberGuy Report,
Fox News,
18 Feb. 2025
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In Rankin’s short, Rankin himself plays an impostor posing as the not-so-famous Winnipeg filmmaker Matthew Rankin.—
Bilge Ebiri,
Vulture,
14 Feb. 2025
Articles Related to quack
Cite this Entry
“Quack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quack. Accessed 16 Mar. 2025.
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