- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
200 entries under hard topic. ×
| callous(noun, adjective, calm, person, mean) | |
| unfeeling(noun, adjective, mean, bad) | |
| hardened(noun, adjective, person, attitude) | |
| tough(noun, adjective, mean, strong) | |
| heartless(adjective, mean, feeling, attitude) | |
| insensitive(noun, adjective, bad, careless) | |
| obdurate(adjective, person, strong, tough) | |
| unsympathetic(adjective, mean, bad, tough) | |
| stony(adjective, person, careless, cold) | |
| cold-blooded(adjective, person, bad, tough) | |
| realistic(adjective, calm, sound, tough) | |
| uncompassionate(adjective, person, mean, careless) | |
| hardhearted(adjective, attitude, careless, cold) | |
| harsh(adjective, mean, strong, tough) | |
| unemotional(adjective, mean, tough, cold) | |
| hard-hearted(adjective, calm, mean, bad) | |
| inflexible(adjective, person, mean, strong) | |
| apathetic(adjective, person, tough, careless) | |
| indifferent(adjective, calm, careless, cold) | |
| strict(adjective, strong, tough, severe) |
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| APA | Smart Define. (2016). hard-boiled thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/hard-boiled/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard-boiled thesaurus" https://smartdefine.org/hard-boiled/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, hard-boiled thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/hard-boiled/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-boiled thesaurus" 23 March 2016. Web. 27 September 2026. <https://smartdefine.org/hard-boiled/thesaurus/synonyms> |