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
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of quack
But let’s circle back to TV‘s patron saint of affable, oft–insidious quacks.
—
Ben Travers,
IndieWire,
16 Dec. 2025
Automatic ducking doesn't add quacks to your soundtrack.
—
PC Magazine,
15 Nov. 2025
As experts departed, quacks arrived.
—
Charles Bethea,
New Yorker,
9 Sep. 2025
Medallion’s Derek Lo figures that his software can cut through the system’s redundancies, slashing the time and cost of paperwork designed to prevent quacks from practicing medicine and safeguard patients that’s spiraled into something burdensome.
—
Amy Feldman,
Forbes.com,
20 Aug. 2025
See All Example Sentences for quack
Ben Travers,
IndieWire,
16 Dec. 2025
Automatic ducking doesn't add quacks to your soundtrack.
—
PC Magazine,
15 Nov. 2025
As experts departed, quacks arrived.
—
Charles Bethea,
New Yorker,
9 Sep. 2025
Medallion’s Derek Lo figures that his software can cut through the system’s redundancies, slashing the time and cost of paperwork designed to prevent quacks from practicing medicine and safeguard patients that’s spiraled into something burdensome.
—
Amy Feldman,
Forbes.com,
20 Aug. 2025
See All Example Sentences for quack
Recent Examples of Synonyms for quack
Noun
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David Vander Meer, 49, was being held at Clark County Detention Center on first-degree murder and insurance fraud charges stemming from the death of his wife, Bernadette, two decades ago.
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According to prosecutors, Eidleh deposited more than $5 million in fraud proceeds, kickbacks and bribes into accounts associated with shell companies in an effort to conceal the source of the money.
Noun
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And what happens to someone who’s been outed like that, as a fake?
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The Inspector General of the Department of Health and Human Services has warned that people can easily obtain fakes; in 2010, Puerto Rico invalidated all its existing birth certificates, citing rampant fraud and identity theft.
Noun
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Both the duvet cover and shams have a sateen finish, and an ultra-soft, lived-in feel.
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Kristjánsson pointed out that the whole thing was kind of a sham.
Noun
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Others estimate that $500 billion in federal spending is diverted by charlatans each year.
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To this day, a portion of the left-wing Democratic elite views Obama as a charlatan who hoodwinked their voters into supporting him.
Noun
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To add to the challenge, Brady also left his mark on the latest pretender to his crown.
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Dogs can tell the difference between an actual alpha and a pretender.
Noun
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Good afternoon and welcome to Con Con, the convention for swindlers, mountebanks, and the people who love them.
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Godard might have come across as a species of poseur – a pretentious, quote-spouting mountebank – but his way of seeing was genuinely new.
Noun
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To tell the truly venomous from the fakers, there are a couple details to help distinguish the two.
Noun
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The actors are perfectly cast, starting with Marmaï’s likable Antoine, the only player here not being the deceiver.
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The film tells the true and twisted tale of a deceiver of land and folk, who, defying her birth as a woman, comported herself as a man and committed many a wicked deed.
Cite this Entry
“Quack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quack. Accessed 3 Jul. 2026.
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