238 entries under severe topic. ×
| ironclad(adjective, set, hard, cruel) | |
| sharp(adjective, hard, correct, rough) | |
| unfeeling(adjective, mean, hard, cool) | |
| unsympathetic(adjective, mean, hard, harsh) | |
| astringent(adjective, strong, hard, tough) | |
| authoritarian(adjective, strong, hard, tough) | |
| chilly(adjective, cool, cold, detached) | |
| disciplined | |
| dry | |
| hard-core(adjective, strong, hard, tough) | |
| intense(adjective, complete, total, harsh) | |
| mean(adjective, hard, harsh, bleak) | |
| rugged(adjective, strong, hard, tough) | |
| ruthless(adjective, harsh, cruel, determined) | |
| square(adjective, tough, moderate, firm) | |
| unkind(adjective, bleak, stark, austere) | |
| unsparing(adjective, strong, hard, tough) | |
| uptight(adjective, tough, moderate, firm) | |
| bleak(adjective, hard, sharp, flat) | |
| cussed(adjective, firm, unreasonable, grim) |
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| APA | Smart Define. (2015). rigid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, rigid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>. |
| MLA | Smart Define. "rigid thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms> |