97 entries under cool topic. ×
| stoical(adjective, indifferent, detached, blank) | |
| stony-eyed(adjective, detached, blank, sober) | |
| taciturn(adjective, blank, aloof, unemotional) | |
| toneless(adjective, detached, blank, sober) | |
| uncongenial(adjective, mean, hard, unpleasant) | |
| unexcitable(adjective, detached, blank, aloof) | |
| unpleasant(adjective, mean, hard, cold) | |
| unruffled(adjective, blank, aloof, unemotional) | |
| with straight face(expression, adjective, idiom, detached) | |
| wooden(adjective, blank, aloof, unemotional) | |
| impersonal(adjective, detached, blank, sober) | |
| imperturbable(adjective, cold, cruel, blank) | |
| unimpressible(adjective, mean, hard, tough) | |
| calm(adjective, detached, sober, unemotional) | |
| sober(adjective, detached, unemotional) | |
| stolid(adjective, blank, aloof, unemotional) | |
| unflappable(adjective, blank, aloof, unemotional) |
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| APA | Smart Define. (2016). heartless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/heartless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "heartless thesaurus" https://smartdefine.org/heartless/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, heartless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/heartless/thesaurus/synonyms>. |
| MLA | Smart Define. "heartless thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/heartless/thesaurus/synonyms> |