192 entries under sober topic. ×
| unexcited(adjective, characteristic, calm, quiet, easy) | |
| unmoved(adjective, calm, quiet, mean, hard) | |
| cold-blooded(adjective, calm, person, mean, hard) | |
| sedate(verb, adjective, calm, quiet, settle) | |
| unfeeling(adjective, calm, dull, mean, hard) | |
| unflappable(adjective, calm, quiet, reasonable, sensible) | |
| glacial(adjective, person, severe, keen, sharp) | |
| remote(adjective, attitude, informal, relaxed, cold) | |
| steady(verb, adjective, calm, quiet, settle) | |
| temperate(adjective, calm, dull, quiet, weak) | |
| stolid(adjective, calm, quiet, indifferent, casual) | |
| rational(adjective, calm, good, sound, reasonable) | |
| unexcitable(adjective, calm, dull, quiet, easy) | |
| deliberate(adjective, calm, sound, soft, reasonable) | |
| staid(adjective, calm, set, firm, sensible) | |
| together(adjective, calm, good, sound, reasonable) | |
| neutral(adjective, calm, quiet, reasonable, sensible) | |
| reasonable(adjective, calm, good, quiet, sound) | |
| tough(adjective, calm, mean, bad, strong) | |
| heartless(adjective, mean, hard, unpleasant, cold) |
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| APA | Smart Define. (2016). cool thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/cool/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cool thesaurus" https://smartdefine.org/cool/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, cool thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/cool/thesaurus/synonyms>. |
| MLA | Smart Define. "cool thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/cool/thesaurus/synonyms> |