186 entries under adjective topic. ×

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far-sighted(calm, reasonable, sensible, rational)
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grave(calm, quiet, cool, sober)
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halcyon(quiet, cool, mild, still)
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harmonious(quiet, cool, still, peaceful)
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hushed(quiet, cool, mild, still)
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in order(expression, quiet, cool, still)
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inactive(quiet, cool, still, peaceful)
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inarticulate(silent, dazed, dumb, amazed)
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indifferent(calm, cool, philosophic)
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indomitable(calm, cool, indifferent, philosophic)
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irenic
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judicious(calm, reasonable, sensible, rational)
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limpid(smooth, comfortable)
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long-suffering(calm, cool, indifferent, restrained)
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low-key(quiet, cool, still, peaceful)
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matter-of-fact(calm, cool, indifferent, philosophic)
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mild(quiet, cool, restrained, still)
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motionless(quiet, cool, still, peaceful)
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mum(silent, dazed, dumb, amazed)
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mute(silent, dazed, dumb, astonished)
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APASmart Define. (2011). cool as cucumber thesaurus. Retrieved September 29, 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 29, 2026).
HarvardSmart Define 2011, cool as cucumber thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/cool_as_cucumber/thesaurus/synonyms>.
MLASmart Define. "cool as cucumber thesaurus" 24 May 2011. Web. 29 September 2026. <https://smartdefine.org/cool_as_cucumber/thesaurus/synonyms>