238 entries under severe topic. ×
| flat(adjective, hard, sharp, rough) | |
| gruff(adjective, bleak, stark, austere) | |
| hard-shell(adjective, strong, hard, tough) | |
| nasty(adjective, bleak, stark, austere) | |
| serious(adjective, strong, hard, tough) | |
| straight(adjective, tough, correct, moderate) | |
| abrupt | |
| acute | |
| bitter(adjective, set, strong, hard, tough) | |
| blunt | |
| brusque | |
| brutal(adjective, hard, correct, rough) | |
| burdensome(adjective, tough, correct, harsh) | |
| caustic | |
| censorious | |
| crisp | |
| curt | |
| dead set on(expression, adjective, idiom, harsh) | |
| frosty(adjective, cool, cold, detached) | |
| hard-boiled(adjective, mean, strong, hard, tough) |
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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> |