88 entries under roar topic. ×

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foam at the mouth(expression, idiom, tear, erupt)
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fulminate(tear, erupt)
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fume(tear, erupt)
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gesture(adjective, fit, laughing)
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giggling(adjective, fit, laughing)
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glee(adjective, fit, laughing)
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go bananas(verb, expression, yield, collapse)
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grin(happiness, scream, snicker, chuckle)
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guffawing
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have a fit(expression, idiom, tear, erupt)
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have a tantrum(expression, idiom, tear, erupt)
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hilarity(adjective, fit, laughing)
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howling(adjective, fit, laughing)
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laughing(adjective, fit)
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let off steam(expression, idiom, tear, erupt)
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look daggers(expression, tear, erupt)
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make a fuss over(expression, idiom, tear, erupt)
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merriment(adjective, fit, laughing)
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mirth(adjective, fit, laughing)
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overflow(tear, erupt)
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APASmart Define. (2015). crack up thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/crack_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "crack up thesaurus" https://smartdefine.org/crack_up/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, crack up thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/crack_up/thesaurus/synonyms>.
MLASmart Define. "crack up thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/crack_up/thesaurus/synonyms>