98 entries under harsh topic. ×
| inhuman(adjective, cruel, determined, fierce) | |
| ruthless(adjective, hard, rough, cruel) | |
| sore(adjective, upset, rough, tender) | |
| taxing(adjective, hard, severe, difficult) | |
| unbreakable(adjective, strong, hard, severe, firm) | |
| unfeeling(adjective, hard, cool, severe) | |
| unflinching(adjective, cruel, determined, fierce) | |
| unforgiving(adjective, hard, rough, cruel) | |
| acrimonious(adjective, severe, rigid, tight) | |
| binding(adjective, severe, affected, rigid) | |
| bound(adjective, firm, cruel, determined) | |
| bound and determined(expression, adjective, idiom, cruel) | |
| by the book(expression, adjective, idiom, severe) | |
| by the numbers(expression, adjective, idiom, correct, severe) | |
| compelling(adjective, strong, great, severe, firm) | |
| confining(adjective, severe, rigid, tight) | |
| convincing(adjective, strong, great, severe, firm) | |
| dead set on(expression, adjective, idiom, severe) | |
| disquieted(adjective, upset, rough, uncertain) | |
| drawing(adjective, severe, rigid, tight) |
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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> |