quack

noun

Definition of quacknext
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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of quack 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 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 There couldn’t a worse choice for the CDC at a time when vaccinations are already being discouraged by such quacks as Florida Surgeon General Joseph Ladapo, who also opposes fluoridation. — Sun Sentinel Editorial Board, Sun Sentinel, 9 Dec. 2024 See All Example Sentences for quack
Recent Examples of Synonyms for quack
  1. fraud
  2. fake
  3. sham
  4. charlatan
  5. pretender
  6. mountebank
  7. faker
  8. deceiver
Noun
  • Made false claims of massive fraud of millions of undocumented people voting.
    — Mathew Miranda, Sacbee.com, 17 July 2026
  • The consignor was later identified as an accomplice in a separate auction fraud case in Hebei province.
    — Tessa Solomon, ARTnews.com, 17 July 2026
Definition of fraud
Noun
  • Some of the manuscripts were never returned, while others were replaced with fakes.
    — Maximilíano Durón, ARTnews.com, 13 July 2026
  • The model can spot obvious fakes, but Fleek also runs quality-check centers in Karachi and Delhi that inspect items from brands and categories its data has flagged as frequently counterfeited.
    — Jeremy Kahn, Fortune, 8 July 2026
Definition of fake
Noun
  • Not washing your duvet cover (and shams, if applicable) in a dedicated load.
    — Caroline Lubinsky, Martha Stewart, 14 July 2026
  • Eight received 40 Hz light and sound seven received white noise and steady light as a sham.
    — Samantha Agate, Charlotte Observer, 13 July 2026
Definition of sham
Noun
  • Others estimate that $500 billion in federal spending is diverted by charlatans each year.
    — Las Vegas Review-Journal, Twin Cities, 7 June 2026
  • To this day, a portion of the left-wing Democratic elite views Obama as a charlatan who hoodwinked their voters into supporting him.
    — Ben Smith, semafor.com, 28 Apr. 2026
Definition of charlatan
Noun
  • At least one of them will in the coming weeks likely be exposed as a pretender.
    — Kevin Acee, San Diego Union-Tribune, 7 July 2026
  • To add to the challenge, Brady also left his mark on the latest pretender to his crown.
    — Peter Carline, New York Times, 26 June 2026
Definition of pretender
Noun
  • Good afternoon and welcome to Con Con, the convention for swindlers, mountebanks, and the people who love them.
    — Henry Alford, New Yorker, 1 Dec. 2025
  • Godard might have come across as a species of poseur – a pretentious, quote-spouting mountebank – but his way of seeing was genuinely new.
    — Peter Rainer, Christian Science Monitor, 13 Nov. 2025
Definition of mountebank
Noun
  • 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
Definition of faker
Noun
  • The actors are perfectly cast, starting with Marmaï’s likable Antoine, the only player here not being the deceiver.
    — Pete Hammond, Deadline, 12 May 2026
  • 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.
    — Leo Barraclough, Variety, 20 Jan. 2026
Definition of deceiver

Browse Nearby Words

pythons
quack
quackery
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Cite this Entry

“Quack.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quack. Accessed 18 Jul. 2026.

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