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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This 2023 docuseries centers on the Murdaughs, South Carolina's illustrious legal dynasty, whose members were tied to multiple homicides, financial fraud and other alleged crimes.—
James Mercadante,
PEOPLE,
25 Oct. 2025
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According to the State Department, altered passports are among the most common types of passport fraud.—
Lauren Dana Ellman,
Travel + Leisure,
25 Oct. 2025
Noun
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Numerous fakes — most bearing watermarks for OpenAI’s text-to-video model Sora — have appeared online showing fake scenarios like severe flooding, images of sharks and people partying.—
Hannah Parry,
MSNBC Newsweek,
27 Oct. 2025
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And while those in the field have warned of the risks for years, today’s fakes are growing both more difficult to distinguish from reality and easier to make.—
Brady Africk,
Time,
27 Oct. 2025
Noun
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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
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This three-piece set from Chezmoi Collection includes a bedspread and two matching shams that resist pilling, shrinking, and thinning over time, all while regulating temperature to prevent overheating.—
Mariana Best,
Better Homes & Gardens,
24 Oct. 2025
Noun
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The contenders, pretenders and everybody in between.—
Andrew Callahan,
Boston Herald,
25 Sep. 2025
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Adjustments will be made, and by November and December, there will be a much clearer picture of who the contenders and pretenders are.—
Mark LaSota,
Forbes.com,
16 Sep. 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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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 31 Oct. 2025.
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