as in idiot
a stupid person
even a knucklehead like me can use this system
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Recent Examples of knucklehead
Casting is now open for knuckleheads ages 18 and above from the U.S. and Canada.
—
Lynette Rice, Deadline, 23 June 2025
The world knows who Hill is as a talent (dynamic playmaker) and person (an attention-seeking knucklehead).
—Omar Kelly, Miami Herald, 6 June 2025
Order had to be restored in the seventh inning as some knuckleheads with tickets pelted the field with balls, beers and basically anything that was nailed down.
—Jay Paris, Forbes, 7 Oct. 2024
Walz is more than a knucklehead.
—Matthew Continetti, National Review, 5 Oct. 2024
See All Example Sentences for knucklehead
Recent Examples of Synonyms for knucklehead
Noun
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Overwhelmingly, though, the most common response was to seek confirmation of their suspicions that Daniel Graham and Adam Carruthers were morons.—
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There are worse things than watching Black, Rudd, and Zahn play three gormless morons on a mid-life misadventure, but almost every scene and setpiece is constructed with a haphazardness that blunders away their charm.—
Noun
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So, the parallel thing that I’ve been frustrated by recently is not just calling Trump stupid, but calling Trump voters stupid.—
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Sometimes too stupid is actually smartski but sometimes is just stupid stupid.—
Cite this Entry
“Knucklehead.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/knucklehead. Accessed 12 Jan. 2026.
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