387 entries under adjective topic. ×
| barbarian(rude, violent, cruel, vicious) | |
| base | |
| blank(cool, detached, sober, unfeeling) | |
| blind to(verb, expression, phrasal verb, hard) | |
| cantankerous(hard, tough, severe, cruel) | |
| careless(hard, indifferent, cruel, apathetic) | |
| churlish(hard, tough, severe, cruel) | |
| cold blooded(aloof, unfeeling, senseless) | |
| collected(cool, blank, aloof, unemotional) | |
| composed(cool, detached, blank, aloof) | |
| contemptuous(hard, unfeeling, unsympathetic, hardened) | |
| cool cat(expression, cool, detached, blank) | |
| criminal | |
| crotchety(hard, tough, severe, cruel) | |
| crude(rude, violent, cruel, vicious) | |
| cutthroat(mean, hard, severe, harsh) | |
| dangerous | |
| dead hearted(aloof, unfeeling, senseless) | |
| deadened(hard, tough, severe, cruel) | |
| deadpan(cool, detached, blank, sober) |
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| APA | Smart Define. (2016). heartless thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/heartless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "heartless thesaurus" https://smartdefine.org/heartless/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, heartless thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/heartless/thesaurus/synonyms>. |
| MLA | Smart Define. "heartless thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/heartless/thesaurus/synonyms> |