104 entries under extreme topic. ×
| hard(adjective, feature, state, characteristic, hard) | |
| strong(adjective, strong, severe, strain, firm) | |
| inexorable(adjective, tough, severe, firm, harsh) | |
| steep(adjective, fancy, severe, big, crazy) | |
| austere(adjective, hard, severe, rough, difficult) | |
| harsh(adjective, upset, hard, severe, rough) | |
| powerful(adjective, strong, great, severe, harsh) | |
| exorbitant(adjective, fancy, severe, informal, extraordinary) | |
| strict(adjective, hard, tough, severe, rough) | |
| dear(adjective, fancy, difficult, harsh, informal) | |
| high(adjective, fancy, extraordinary, crazy, noble) | |
| potent(adjective, strong, great, severe, firm) | |
| expensive(adjective, fancy, clean, informal, extraordinary) | |
| rigorous(adjective, hard, severe, rough, difficult) | |
| cruel(adjective, hard, severe, rough, harsh) | |
| excessive(adjective, fancy, severe, extraordinary, unreasonable) | |
| extravagant(adjective, fancy, severe, extraordinary, unreasonable) | |
| inordinate(adjective, fancy, severe, unreasonable) | |
| stringent(adjective, hard, severe, rough, difficult) | |
| unconscionable(adjective, severe, big, usual, unreasonable) |
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| APA | Smart Define. (2015). stiff thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stiff/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiff thesaurus" https://smartdefine.org/stiff/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, stiff thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stiff/thesaurus/synonyms>. |
| MLA | Smart Define. "stiff thesaurus" 24 December 2015. Web. 25 September 2026. <https://smartdefine.org/stiff/thesaurus/synonyms> |