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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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of quack
Tell that to the kids who have been hospitalized and died from measles, following quack Dr. Bobby’s Rx to avoid the shots.
—
New York Daily News Editorial Board, New York Daily News, 29 May 2025
And this is why hydropathy was not like many of the other quack medical therapies of the not-quite-modern era.
—John Jeremiah Sullivan, Harpers Magazine, 29 Apr. 2025
Famous athlete revealed as Fuzzy Peas on Masked Singer while Ken Jeong shocks with Lord Farquaad look on wild Shrek Night
With a final dramatic flourish of his cape and a quack, Lucky Duck departed, and it was revealed that Coral would be joining Paparazzo in the final six.
—Lauren Huff, EW.com, 27 Feb. 2025
Milla — a young woman who feels disillusioned by doctors that treat her like a recalcitrant child, directing even conversations about her treatment to her father instead of her — finds false security in quacks selling enemas and juice cleanses.
—Angie Han, The Hollywood Reporter, 5 Feb. 2025
See All Example Sentences for quack
New York Daily News Editorial Board, New York Daily News, 29 May 2025
And this is why hydropathy was not like many of the other quack medical therapies of the not-quite-modern era.
—John Jeremiah Sullivan, Harpers Magazine, 29 Apr. 2025
Famous athlete revealed as Fuzzy Peas on Masked Singer while Ken Jeong shocks with Lord Farquaad look on wild Shrek Night
With a final dramatic flourish of his cape and a quack, Lucky Duck departed, and it was revealed that Coral would be joining Paparazzo in the final six.
—Lauren Huff, EW.com, 27 Feb. 2025
Milla — a young woman who feels disillusioned by doctors that treat her like a recalcitrant child, directing even conversations about her treatment to her father instead of her — finds false security in quacks selling enemas and juice cleanses.
—Angie Han, The Hollywood Reporter, 5 Feb. 2025
See All Example Sentences for quack
Recent Examples of Synonyms for quack
Noun
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New York Attorney General Letitia James asked a federal judge Friday to dismiss a mortgage fraud case against her, calling it a vindictive and politically motivated prosecution brought at the behest of a president who regards her as an enemy.—
Dave Smith,
Fortune,
8 Nov. 2025
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Quick action can sometimes limit further loss or help investigators trace the fraud.—
Kurt Knutsson,
FOXNews.com,
8 Nov. 2025
Noun
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Why fakes — and how to spot them An information vacuum seems to have encouraged imposters.—
Lee Ying Shan,
CNBC,
9 Nov. 2025
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Over the next three days, authorities say Buzzard appeared to swap wigs, trading fake, honey blonde curls for a darker wig closer to the style Melodee was seen in.—
Elizabeth Wolfe,
CNN Money,
8 Nov. 2025
Noun
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In return, the WNBA would argue the decertification is a sham to facilitate antitrust litigation.—
Michael McCann,
Sportico.com,
31 Oct. 2025
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For a bedding refresh, this duvet cover set is available in 26 colors and includes matching shams.—
Rachel Trujillo,
PEOPLE,
26 Oct. 2025
Noun
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The 1886 hotel was once an experimental hospital set up by infamous charlatan Norman Baker.—
Noreen Kompanik,
Boston Herald,
26 Oct. 2025
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Professional historians denounced Fomenko as a charlatan, but his countless fans remained undeterred.—
Foreign Affairs,
Foreign Affairs,
21 Oct. 2025
Noun
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The King of Poland and the pretender to the throne of Sweden.—
Katie Wiseman,
IndyStar,
4 Nov. 2025
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Week 10 kicked off the month with several examples of contenders and pretenders revealing themselves.—
Erick Smith,
USA Today,
3 Nov. 2025
Noun
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Caricatured by Honoré Daumier and his lesser followers always as a mountebank, a charlatan, a circus clown, Louis Napoleon could normalize the extent of his outrages by the seeming harmlessness of his absurdities.—
Adam Gopnik,
New Yorker,
13 June 2025
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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
Noun
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To tell the truly venomous from the fakers, there are a couple details to help distinguish the two.—
Kirsten Fiscus,
Nashville Tennessean,
17 Sep. 2025
Noun
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Islamic eschatology warned of a deceiver who distorts perception, blurring reality.—
Kaif Shaikh,
Interesting Engineering,
15 Aug. 2025
Cite this Entry
“Quack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quack. Accessed 20 Nov. 2025.
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