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
  • Both laid into the Walz administration for the fraud scandals.
    — Esme Murphy, CBS News, 1 Aug. 2026
  • One fraud ring tracked by Socure executed 38,241 transactions across 465 organizations in 30 industries within a single 90-day window.
    — Ray Fernandez, Forbes.com, 31 July 2026
Definition of fraud
Noun
  • The employee framed by a fake inherits the job of proving a negative.
    — Lars Daniel, Forbes.com, 28 July 2026
  • Authorities label the video fake and deny any deal or cooperation with the cartels.
    — Los Angeles Times, Los Angeles Times, 26 July 2026
Definition of fake
Noun
  • Linen bedding can get costly fast, but this quilt set comes in at under $200—and includes matching shams.
    — Better Homes & Gardens, Better Homes & Gardens, 6 Aug. 2026
  • Critics dismissed the polls as a sham designed to consolidate the military’s grip on power while ostensibly restoring civilian rule.
    — ABC News, ABC News, 5 Aug. 2026
Definition of sham
Noun
  • In place of San Francisco’s decaying arts bohemia of poseurs and charlatans, they can be said to be creating an alternate bohemia.
    — Michael Bernick, Forbes.com, 22 July 2026
  • Others estimate that $500 billion in federal spending is diverted by charlatans each year.
    — Las Vegas Review-Journal, Twin Cities, 7 June 2026
Definition of charlatan
Noun
  • The schedule is forgivable, even by ACC standards, but a rematch on the road against Notre Dame will separate the Canes as contenders or pretenders.
    — Austin Perry OutKick, FOXNews.com, 28 July 2026
  • 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
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 7 Aug. 2026.

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Nglish: Translation of quack for Spanish Speakers

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