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
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
The nomination to any responsible position of quacks like Robert F. Kennedy Jr. or Florida Surgeon General Joseph Ladapo would put her to that test.
—Orlando Sentinel and South Florida Sun Sentinel Editorial Boards, Orlando Sentinel, 11 Nov. 2024
See All Example Sentences for quack
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
The nomination to any responsible position of quacks like Robert F. Kennedy Jr. or Florida Surgeon General Joseph Ladapo would put her to that test.
—Orlando Sentinel and South Florida Sun Sentinel Editorial Boards, Orlando Sentinel, 11 Nov. 2024
See All Example Sentences for quack
Recent Examples of Synonyms for quack
Noun
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The government push comes despite a Senate probe in May that revealed the labor program was fraught with problems including the commercial exploitation of job seekers, fraud, and poor working conditions overseas.—
Martin K.N Siele,
semafor.com,
20 June 2025
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Criminals that are able to gain access to passwords put up for sale on the dark web are able to use them for identify theft, fraud, and even blackmail.—
Theo Burman,
MSNBC Newsweek,
20 June 2025
Noun
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And not just shooting the shot, but using it to create space for my teammates or using a shot fake to create a different shot for myself or a drive to kick.—
Roderick Boone,
Charlotte Observer,
28 June 2025
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But a closer inspection revealed some telltale signs that the document, first obtained by the Tribune through a public records request, is likely a fake.—
Chicago Tribune,
Chicago Tribune,
27 June 2025
Noun
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Official results of the election handed Lukashenko his sixth term in office but were denounced by the opposition and the West as a sham.—
Arkansas Online,
Arkansas Online,
22 June 2025
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Furthermore, this set offers excellent value by including the duvet cover and shams for seamless coordination.—
Jacorey Moon,
Architectural Digest,
21 June 2025
Noun
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Looking at the historical sample of data, the goal was to develop a set of rules that helped distinguish the genuine contenders from the pretenders and to narrow down as few actual champions as possible while simultaneously eliminating as many of the wannabes.—
Neil Paine,
New York Times,
17 June 2025
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But for those trying to fill out their brackets this week, here are the Big Ten’s contenders and pretenders heading into March Madness.—
Paul Sullivan,
Chicago Tribune,
16 Mar. 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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Where to watch Saw: Amazon Prime Video (to rent) 03 of 10 Saw X (2023) John Kramer ventures to Mexico for an experimental cancer treatment administered by money-hungry charlatans in this slick but not particularly inventive revival sequel, which takes place between the events of Saw and Saw II.—
Declan Gallagher,
EW.com,
10 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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The Reframe: From Proving To Exploring Breaking free from the impostor myth isn’t about proving more.—
Neerja Bhatia,
Forbes.com,
28 May 2025
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The impostors then stole two hot dogs and menaced the vendor with a knife before taking off on Seventh Ave., heading toward 44th St. Cops took one man into custody following the heist, and are looking for a second person dressed in a red hoodie, black pants and black and white sneakers.—
Nicholas Williams,
New York Daily News,
8 May 2025
Cite this Entry
“Quack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quack. Accessed 3 Jul. 2025.
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