Dumbass
Dumbass noun - A stupid person; these words are used to express a low opinion of someone's intelligence.
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Synonyms for Dumbass
Knucklehead is a synonym for dumbass in jackass topic. In some cases you can use "Knucklehead" instead a noun "Dumbass", when it comes to topics like dimwit.
Knucklehead
Knucklehead noun - A stupid person; these words are used to express a low opinion of someone's intelligence.
Dumbass is a synonym for knucklehead in jackass topic. You can use "Dumbass" instead a noun "Knucklehead", if it concerns topics such as dimwit.
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Cite this Source
Knucklehead and Dumbass. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/dumbass/knucklehead
Dumbass & Knucklehead. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/dumbass/knucklehead>.
Knucklehead or Dumbass. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/dumbass/knucklehead.
Google Ngram Viewer shows how "dumbass" and "knucklehead" have occurred on timeline