- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
200 entries under hard topic. ×
| indurated(adjective, careless, indifferent, cruel) | |
| inexorable(adjective, mean, strong, tough) | |
| insusceptible(adjective, insensitive, unsusceptible) | |
| iron(adjective, mean, tough, harsh) | |
| irreverent(adjective, unfeeling, unsympathetic, hardened) | |
| levelheaded(adjective, calm, sound, tough) | |
| mean(adjective, tough, severe, sharp) | |
| mortified(adjective, strong, tough, severe) | |
| mulish(adjective, mean, strong, tough) | |
| obtuse(noun, adjective, indifferent, unfeeling) | |
| perverse(adjective, mean, tough, harsh) | |
| pigheaded(adjective, mean, tough, sharp) | |
| pragmatical(adjective, sound, reasonable, sensible) | |
| prepared(adjective, unfeeling, unsympathetic, hardened) | |
| prosaic(adjective, sound, tough, rational) | |
| prudent(sound, reasonable, sensible, practical) | |
| real(sound, reasonable, sensible, practical) | |
| relentless(adjective, mean, strong, tough) | |
| resistant(adjective, unfeeling, unsympathetic, hardened) | |
| rigorous(adjective, strong, tough, severe) |
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| APA | Smart Define. (2016). hard-boiled thesaurus. Retrieved September 28, 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 28, 2026). |
| Harvard | Smart Define 2016, hard-boiled thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hard-boiled/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-boiled thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/hard-boiled/thesaurus/synonyms> |