192 entries under sober topic. ×
| calm(verb, adjective, feature, state, action) | |
| cold(adjective, calm, person, dull, mean) | |
| aloof(adjective, calm, person, quiet, mean) | |
| frigid(adjective, calm, person, dull, mean) | |
| composed(adjective, calm, person, quiet, reasonable) | |
| indifferent(adjective, feature, state, characteristic, calm) | |
| dispassionate(adjective, calm, dull, quiet, reasonable) | |
| serene(adjective, feature, state, calm, quiet) | |
| chill(noun, verb, adjective, activity, stop) | |
| imperturbable(adjective, calm, quiet, firm, sensible) | |
| unemotional(adjective, calm, dull, quiet, mean) | |
| unruffled(adjective, calm, quiet, smooth, easy) | |
| moderate(verb, adjective, activity, stop, action) | |
| detached(adjective, calm, quiet, mild, relaxed) | |
| quiet(verb, adjective, feature, state, action) | |
| collected(adjective, calm, quiet, sound, reasonable) | |
| icy(adjective, person, mean, hard, severe) | |
| distant(adjective, quiet, attitude, cold, indifferent) | |
| impassive(adjective, calm, quiet, temper, relaxed) | |
| reserved(adjective, calm, reasonable, moderate, firm) |
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| APA | Smart Define. (2016). cool thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/cool/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cool thesaurus" https://smartdefine.org/cool/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, cool thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/cool/thesaurus/synonyms>. |
| MLA | Smart Define. "cool thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/cool/thesaurus/synonyms> |