Synonyms|204Antonyms|60|Broader|0Narrower|0Related|2

42 entries under serene topic. ×

1
untroubled(adjective, calm, quiet, cool, moderate)
0
sober(adjective, calm, quiet, cool)
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APASmart Define. (2011). cool as cucumber thesaurus. Retrieved October 1, 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 October 1, 2026).
HarvardSmart Define 2011, cool as cucumber thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/cool_as_cucumber/thesaurus/synonyms>.
MLASmart Define. "cool as cucumber thesaurus" 24 May 2011. Web. 1 October 2026. <https://smartdefine.org/cool_as_cucumber/thesaurus/synonyms>