187 entries under hard topic. ×
| severe(adjective, tough, rough, firm) | |
| solid(adjective, set, strong, secure) | |
| austere(adjective, severe, rough, difficult) | |
| harsh(adjective, upset, severe, rough) | |
| taut(adjective, rough, firm, harsh) | |
| wooden(adjective, dull, correct, firm) | |
| forced(adjective, difficult, unusual, strange) | |
| inelastic(adjective, tough, firm, solid) | |
| strict(adjective, tough, severe, rough) | |
| starchy(adjective, firm, proper, grand) | |
| cold(adjective, severe, harsh, careless) | |
| punctilious(adjective, characteristic, correct, severe) | |
| rigorous(adjective, severe, rough, difficult) | |
| stern(adjective, severe, rough, firm) | |
| cruel(adjective, severe, rough, harsh) | |
| dense(adjective, set, strong, tough) | |
| hard-nosed(adjective, severe, rough, firm) | |
| intractable(adjective, tough, rough, firm) | |
| laborious(adjective, tough, severe, rough) | |
| stony(adjective, firm, careless, indifferent) |
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| APA | Smart Define. (2015). stiff thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/stiff/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiff thesaurus" https://smartdefine.org/stiff/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, stiff thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/stiff/thesaurus/synonyms>. |
| MLA | Smart Define. "stiff thesaurus" 24 December 2015. Web. 24 September 2026. <https://smartdefine.org/stiff/thesaurus/synonyms> |