754 entries under adjective topic. ×
| robust(strong, hard, tough, strain) | |
| stabile(strain, firmness, labour, hardiness) | |
| staying(strain, firmness, labour, hardiness) | |
| stout(strain, firmness, labour, hardiness) | |
| sustained(strain, firmness, labour, hardiness) | |
| defensive(strain, firmness, labour, hardiness) | |
| immune(strain, firmness, labour, hardiness) | |
| impregnable(strain, firmness, labour, hardiness) | |
| resilient(strong, strain, stiff, firmness) | |
| resist(strain, firmness, labour, hardiness) | |
| stringent(hard, tough, severe, rough) | |
| substantial(strain, firmness, labour, hardiness) | |
| well-balanced(strain, firmness, even, labour) | |
| withstanding(strong, strain, stiff, firmness) | |
| hidebound(moderate, severe, determined, resolute) | |
| inelastic(hard, tough, severe, firm) | |
| set in stone(expression, idiom, mean, hard) | |
| exact(correct, severe, solid, proper) | |
| iron(mean, strong, hard, tough) | |
| precise(hard, correct, severe, rough) |
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| APA | Smart Define. (2015). rigid thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, rigid thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>. |
| MLA | Smart Define. "rigid thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms> |