226 entries under hard topic. ×
| stiff(adjective, feature, state, characteristic, strong) | |
| firm(noun, adjective, feature, state, characteristic) | |
| inflexible(adjective, mean, strong, tough) | |
| unyielding(adjective, mean, strong, tough) | |
| stubborn(adjective, characteristic, quality, mean, strong) | |
| uncompromising(adjective, mean, tough, severe) | |
| hard(adjective, feature, state, characteristic, mean) | |
| obdurate(adjective, strong, tough, severe) | |
| unbending(adjective, mean, strong, tough) | |
| determined(adjective, strong, tough, severe) | |
| inexorable(adjective, mean, strong, tough) | |
| immovable(adjective, mean, strong, secure) | |
| set(verb, adjective, secure, tough) | |
| unrelenting(adjective, mean, strong, tough) | |
| relentless(adjective, mean, strong, tough) | |
| fixed(adjective, mean, complete, secure) | |
| strong(adjective, tough, strain, firm) | |
| severe(adjective, strong, tough, correct) | |
| strict(adjective, good, strong, tough) | |
| adamant(adjective, mean, strong, tough) |
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| APA | Smart Define. (2015). rigid thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, rigid thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>. |
| MLA | Smart Define. "rigid thesaurus" 3 August 2015. Web. 22 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms> |