- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
90 entries under cruel topic. ×
| imperturbable(adjective, calm, sensible, dark, cold) | |
| indurated(adjective, hard, careless, indifferent) | |
| perverse(adjective, mean, hard, tough, harsh) | |
| relentless(adjective, mean, strong, hard, tough) | |
| remorseless(adjective, cold, brutal, unkind) | |
| spiritless(adjective, hard, careless, indifferent) | |
| stiff(adjective, hard, severe, rough, firm) | |
| stringent(adjective, hard, tough, severe, sharp) | |
| torpid(adjective, hard, careless, indifferent) | |
| unaffected(adjective, hard, tough, careless, indifferent) | |
| unimpressionable(adjective, hard, careless, indifferent) | |
| unmoved(adjective, calm, cold, restrained) | |
| unpleasant(adjective, hard, tough, severe, sharp) | |
| unrelenting(adjective, mean, strong, hard, tough) | |
| unsusceptible(noun, adjective, hard, careless, indifferent) | |
| acrimonious(adjective, tough, harsh, grim) | |
| antagonistic(adjective, tough, harsh, grim) | |
| barbarous(adjective, cold, unfeeling, unsympathetic) | |
| bleak(adjective, tough, severe, harsh) | |
| coldblooded(hardened, heartless) |
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| APA | Smart Define. (2016). hard-boiled thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/hard-boiled/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard-boiled thesaurus" https://smartdefine.org/hard-boiled/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, hard-boiled thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/hard-boiled/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-boiled thesaurus" 23 March 2016. Web. 1 October 2026. <https://smartdefine.org/hard-boiled/thesaurus/synonyms> |