109 entries under calm topic. ×

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self-controlled(adjective, cool, indifferent, philosophic)
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sober(adjective, quiet, cool, serene)
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solemn(adjective, quiet, cool, sober)
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somber(adjective, quiet, cool, sober)
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stately(cool, dignified)
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stolid(adjective, cool, indifferent, philosophic)
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thick-skinned(adjective, cool, unaffected, collected)
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unflustered(cool, unflappable)
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wise(adjective, reasonable, sensible, rational)
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APASmart Define. (2011). cool as cucumber thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/cool_as_cucumber/thesaurus/synonyms
ChicagoSmart Define. 2011. "cool as cucumber thesaurus" https://smartdefine.org/cool_as_cucumber/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2011, cool as cucumber thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/cool_as_cucumber/thesaurus/synonyms>.
MLASmart Define. "cool as cucumber thesaurus" 24 May 2011. Web. 30 September 2026. <https://smartdefine.org/cool_as_cucumber/thesaurus/synonyms>