968 entries under adjective topic. ×
| obdurate(hard, tough, severe, rough) | |
| permanent(strain, firmness, labour, hardiness) | |
| stationary(strain, firmness, labour, hardiness) | |
| withstanding(strong, strain, firmness, tight) | |
| unrelenting(tough, severe, firm, harsh) | |
| immovable(determined, resolute, rigid, obstinate) | |
| fixed(set, hard, secure, rough) | |
| relentless(tough, severe, firm, harsh) | |
| obstinate(hard, tough, rough, firm) | |
| formal(characteristic, tough, correct, severe) | |
| insistent(determined, resolute, obstinate, uncompromising) | |
| set(hard, secure, tough, severe) | |
| unshakable(determined, resolute, obstinate, uncompromising) | |
| stilted(characteristic, correct, unusual, counterfeit) | |
| tough(strong, hard, severe, rough) | |
| adamant(hard, rough, firm, harsh) | |
| tense(hard, firm, property, rigid) | |
| prim(characteristic, hard, correct, proper) | |
| severe(hard, tough, rough, firm) | |
| ceremonious(characteristic, correct, cold, modest) |
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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> |