554 entries under calm topic. ×
| halcyon(adjective, quiet, smooth, moderate) | |
| hard-hearted(adjective, indifferent, restrained, detached) | |
| incurious(adjective, informal, relaxed, indifferent) | |
| judicious(adjective, good, sound, reasonable) | |
| languid(adjective, feature, state, dull) | |
| mellow(verb, adjective, quiet, understanding) | |
| nerveless(adjective, steady, collected, unflappable) | |
| nonchalance(noun, feelings, assurance, poise) | |
| poker-faced(adjective, quiet, cold, indifferent) | |
| retiring(adjective, quiet, mild, cold) | |
| self-control(noun, restraint, capacity, poise) | |
| stable(adjective, quiet, sound, reasonable) | |
| subdued(adjective, quiet, reasonable, moderate) | |
| unstirred(adjective, mean, hard, informal) | |
| at ease(expression, adjective, quiet, easy) | |
| carefree(adjective, feature, state, informal) | |
| careful(adjective, soft, reasonable, gentle) | |
| chill out(verb, expression, phrasal verb, stop) | |
| comfortable(adjective, good, easy, relaxed) | |
| deadpan(adjective, dull, flat, detached) |
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| APA | Smart Define. (2016). cool thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/cool/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cool thesaurus" https://smartdefine.org/cool/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, cool thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/cool/thesaurus/synonyms>. |
| MLA | Smart Define. "cool thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/cool/thesaurus/synonyms> |