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
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
Trump’s Insane Clown Posse Cabinet is very close to being filled with a cadre of fools and quacks, goons and thugs.
—S.e. Cupp, New York Daily News, 4 Feb. 2025
Amy's every interaction is loaded with dramatic irony, but the audience isn't in a good spot knowing that her teenage daughter actually hates her or that the new chief of internal medicine is a quack who killed a patient.
—Kelly Lawler, USA TODAY, 8 Jan. 2025
See All Example Sentences for quack
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
Trump’s Insane Clown Posse Cabinet is very close to being filled with a cadre of fools and quacks, goons and thugs.
—S.e. Cupp, New York Daily News, 4 Feb. 2025
Amy's every interaction is loaded with dramatic irony, but the audience isn't in a good spot knowing that her teenage daughter actually hates her or that the new chief of internal medicine is a quack who killed a patient.
—Kelly Lawler, USA TODAY, 8 Jan. 2025
See All Example Sentences for quack
Recent Examples of Synonyms for quack
Noun
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The Justice Department is investigating potential mortgage fraud, which Schiff has denied.—
Bart Jansen,
USA Today,
21 Aug. 2025
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For years, machine learning has been used to detect fraud and monitor suspicious activity.—
Becca Bratcher,
Forbes.com,
20 Aug. 2025
Noun
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Mordecai, re-signed earlier in the day after a week on the street, fumbled after a play-action fake and finished 3-of-6 for 21 yards.—
Cam Inman,
Mercury News,
10 Aug. 2025
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Este, who worked in a restaurant, would comb through its stash of lost or confiscated IDs, searching for suitable fakes for her and her sisters.—
Hannah Jackson,
Vogue,
20 June 2025
Noun
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Flores also contends his Texans’ interview was a sham.—
Michael McCann,
Sportico.com,
14 Aug. 2025
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The quilt set comes with two matching shams and is 50% off in two sizes, but is selling fast.—
Jacqueline Tempera,
Better Homes & Gardens,
3 July 2025
Noun
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But the Bolts don't have enough pieces to go from pretenders to contenders.—
Robert Marvi,
MSNBC Newsweek,
16 Aug. 2025
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The signing of Isak, however, might have turned Arsenal from title pretenders to genuine contenders.—
Graham Ruthven,
Forbes.com,
28 July 2025
Noun
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No matter the party affiliation, there’ll be charlatans claiming to care, while smooth-talking their way into the homes of hard-working people who struggle.—
Letters to the Editor,
The Orlando Sentinel,
15 July 2025
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Pauly plays the impulsive charlatan with an irrepressible charm.—
Katie Walsh,
Twin Cities,
25 May 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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Among those reports, according to the FTC, Customs and Board Protection impostors ranked as the fourth most common with 3,466 reports in the first four months of 2025.—
Susan Tompor,
USA Today,
30 July 2025
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And, of course, there was the impostor Case Keenum, a miscast backup, and the high-maintenance Russell Wilson, who hit the right notes off the field, especially in visits to hospitals, but never found his fit in coach Sean Payton’s offense or the locker room.—
Troy Renck,
Denver Post,
26 July 2025
Cite this Entry
“Quack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quack. Accessed 29 Aug. 2025.
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