as in idiot
a stupid person
he's no dum-dum—he made his first million by 25
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Recent Examples of dum-dum
In the movie’s early scenes, while Buckley’s Agnes is busy tossing her hair in witch-of-the-woods fashion, his William is a truly believable lovestruck dum-dum.
—
Stephanie Zacharek,
Time,
27 Nov. 2025
Somewhere out there was a family of blond dum-dums who inexplicably ended up with a brunette genius.
—
Inga,
San Diego Union-Tribune,
19 May 2025
As such, the political commentary goes too broad, accusing the public of being dum-dums and filing the tired charge that politicians are phony.
—
Charles Bramesco,
Vulture,
10 Apr. 2025
But Williams, often shirtless (and that’s not a bad thing), gets laughs as a dum-dum who speaks in a very high, piping voice.
—
Tom Gliatto,
Peoplemag,
14 June 2023
Stephanie Zacharek,
Time,
27 Nov. 2025
Somewhere out there was a family of blond dum-dums who inexplicably ended up with a brunette genius.
—
Inga,
San Diego Union-Tribune,
19 May 2025
As such, the political commentary goes too broad, accusing the public of being dum-dums and filing the tired charge that politicians are phony.
—
Charles Bramesco,
Vulture,
10 Apr. 2025
But Williams, often shirtless (and that’s not a bad thing), gets laughs as a dum-dum who speaks in a very high, piping voice.
—
Tom Gliatto,
Peoplemag,
14 June 2023
Recent Examples of Synonyms for dum-dum
Noun
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Mantzoukas was willing to look like a maniac and a moron in equal measure.
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Lluís then calls Puig Antich a moron.
Noun
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My dad has always said the lottery is a tax on the stupid.
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Problem is, even people who know baseball don’t know baseball, which makes betting on baseball stupid.
Noun
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Beating one defender with a dummy, Belghali slalomed infield before beating Alexander Schlager with a high near-post finish, rifled into the Austria net.
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The current dummy, dating back in part to 2001, is constructed from 116 rubber discs connected by steel parts all held together by a frame of wires and supported overhead by a separate metal structure.
Cite this Entry
“Dum-dum.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/dum-dum. Accessed 7 Jul. 2026.
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