141 entries under hard topic. ×
| unpitying(adjective, mean, cool, severe) | |
| brutish(adjective, evil, nasty, harsh) | |
| icy(adjective, mean, cool, tough) | |
| relentless(adjective, mean, severe, evil) | |
| soulless(adjective, careless, indifferent, cruel) | |
| thick-skinned(adjective, mean, feeling, cool) | |
| unforgiving(adjective, mean, severe, harsh) | |
| unresponsive(adjective, mean, cool, unpleasant) | |
| unyielding(adjective, mean, severe, harsh) | |
| anesthetized(adjective, tough, severe, cruel) | |
| insensible(adjective, cool, tough, severe) | |
| spiritless(adjective, cool, careless, indifferent) | |
| unfriendly(adjective, person, mean, feelings) | |
| unloving(adjective, person, feelings, cruel) | |
| inflexible(adjective, mean, harsh, careless) | |
| insusceptible(adjective, cool, blank, aloof) | |
| obtuse(adjective, indifferent, aloof, unfeeling) | |
| case-hardened(adjective, careless, indifferent, cruel) | |
| compassionless(adjective, mean, severe, attitude) | |
| impassible(insensitive, insensibility, unsusceptible) |
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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> |