Synonyms|30Antonyms|1|Broader|0Narrower|0Related|5
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gut-busting(showy, entertaining, laughing, clownish, supersonic)
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har-har(entertaining, laughing, clownish)
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jokey(showy, entertaining, laughing, clownish, supersonic)
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laffer(entertaining, laughing, clownish)
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laughable(silly, absurd, amusing, entertaining, laughing)
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laughing(entertaining, clownish)
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priceless(adjective, grave, amusing, humorous, pernicious)
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recreative(entertaining, laughing, clownish, gasser)
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rib-tickling(adjective, grave, pernicious, ill-starred)
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screamer(adjective, grave, entertaining, laughing, pernicious)
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APASmart Define. (2015). knee-slapper thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/knee-slapper/thesaurus/synonyms
ChicagoSmart Define. 2015. "knee-slapper thesaurus" https://smartdefine.org/knee-slapper/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, knee-slapper thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/knee-slapper/thesaurus/synonyms>.
MLASmart Define. "knee-slapper thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/knee-slapper/thesaurus/synonyms>