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
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
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
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
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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Julie and Todd were found guilty of conspiracy to commit bank fraud, conspiracy to defraud the United States and tax fraud in June 2022, while Julie was also found guilty of wire fraud.—
Rachel Raposas,
PEOPLE,
7 Sep. 2025
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The election is complicated by the fact that Brown faces felony fraud charges.—
Josh Bergeron,
Charlotte Observer,
7 Sep. 2025
Noun
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The Buffs bit on a zone-read fake on Delaware’s first drive as tailback Jo Silver opened the game by gashing CU for a 10-yard gain.—
Sean Keeler,
Denver Post,
6 Sep. 2025
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True stories are one way to differentiate the authentic from the fake.—
Anne Thompson,
IndieWire,
6 Sep. 2025
Noun
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Exclusivo Mezcla Reversible Lightweight Quilt Set The Exclusivo Mezcla Quilt Bedding Set includes a reversible quilt and two matching pillow shams to tie the look together.—
Mariana Best,
Better Homes & Gardens,
7 Sep. 2025
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Pottery Barn offers matching shams with zipper closures, and both the quilt and shams are available on sale.—
Caley Sturgill,
Southern Living,
3 Sep. 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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Famously, the Wizard is a charlatan in every version of the text.—
Bethy Squires,
Vulture,
30 Aug. 2025
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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
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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Islamic eschatology warned of a deceiver who distorts perception, blurring reality.—
Kaif Shaikh,
Interesting Engineering,
15 Aug. 2025
Noun
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That’s until their cover in California Schemin’ as rapping imposters was blown and the emotional strain of denying their Scottishness and their fractured friendship revealed itself.—
Etan Vlessing,
HollywoodReporter,
5 Sep. 2025
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Then there are impostors, which are often heartbreaking.—
Jason Phillips,
USA Today,
5 Sep. 2025
Cite this Entry
“Quack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quack. Accessed 14 Sep. 2025.
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