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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Recent Examples of quack
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.
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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
In the 1920s, a quack named John Brinkley became a household name by implanting goat testicles into the bodies of patients complaining of infertility and impotence.
—David Klepper, Fortune Well, 31 Jan. 2024
Michael Hiltzik: Meet the most dangerous quack in America.
—Ryan Fonseca, Los Angeles Times, 10 Jan. 2024
See all Example Sentences for quack 
Recent Examples of Synonyms for quack
Noun
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Americans encounter about $56 billion in fraud each year, the NSC said.Miranda Nazzaro, The Hill, 16 Jan. 2025
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Previous installments examined fraud in local governments, police vetting requirements and the water crisis in Kansas.Jonathan Shorman, Kansas City Star, 16 Jan. 2025
Noun
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The story was updated to add details from an X employee who calls the screenshot a fake.Jess Weatherbed, The Verge, 3 Jan. 2025
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In this essay for The Paris Review, Simon Wu recounts his experiences pining after, and eventually buying, six designer handbags: some real, some real but used, and one fake.Cheri Lucas Rowlands, Longreads, 17 Dec. 2024
Noun
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The 2018 election was widely considered a sham after his government banned major opposition parties from participating.Regina Garcia Cano, Los Angeles Times, 10 Jan. 2025
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Speaker of the House Mike Johnson and others used this access to delegitimize every part of the proceeding, calling the trial a sham, questioning witnesses’ credibility, and accusing Merchan of bias.Richard Robbins, New York Daily News, 9 Jan. 2025
Noun
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Every decision carries weight, and in a league where the line between contender and pretender is razor-thin, there’s little room for error.Kristian Winfield, New York Daily News, 6 Jan. 2025
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The only saving grace for City is that there is no clear pretender to take its place as the top dog in English soccer.Joe Prince-Wright, NBC Sports, NBC News, 20 Dec. 2024
Noun
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The good, sincere members would flourish and the charlatans, the folks who over-promise to their constituents, would not.Gary Franks, Boston Herald, 20 Jan. 2024
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Tartuffe, a charismatic charlatan, insinuates himself into the lives of a wealthy family, setting off a chain reaction of disruption and pandemonium.Del Mar Times, San Diego Union-Tribune, 20 Feb. 2024
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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However, Macy's Santa is supposed to be the real Santa, so the department store wanted to cut the famous scene where Buddy finds out about the impostor.Kaycee Sloan, The Enquirer, 2 Dec. 2024
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Nearly 600,000 reports of impostor schemes, including romance scams, were received by FTC officials this year, with losses exceeding $2.1 billion.Tom Rogers, Newsweek, 26 Dec. 2024
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Cite this Entry
“Quack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quack. Accessed 21 Jan. 2025.
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