226 entries under hard topic. ×
| dour(adjective, tough, severe, firm) | |
| hard-line(adjective, strong, tough, severe) | |
| immutable(adjective, set, regular, fixed) | |
| pigheaded(adjective, mean, tough, firm) | |
| buckram(adjective, firm, solid, stiff) | |
| cold(adjective, cool, severe, harsh) | |
| correct(adjective, severe, rough, difficult) | |
| dense(adjective, set, strong, tough) | |
| frozen(adjective, firm, solid, fixed) | |
| indurate(adjective, mean, firm, determined) | |
| oppressive(adjective, tough, severe, rough) | |
| proper(adjective, correct, severe, rough) | |
| stark(adjective, severe, firm, solid) | |
| unadaptable(adjective, set, stiff, resolute) | |
| unbreakable(adjective, strong, severe, firm) | |
| wooden(adjective, correct, firm, solid) | |
| difficult(adjective, tough, severe, rough) | |
| hardened(adjective, strong, tough, firm) | |
| ironclad(adjective, set, severe, cruel) | |
| sharp(adjective, correct, severe, rough) |
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| APA | Smart Define. (2015). rigid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, rigid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>. |
| MLA | Smart Define. "rigid thesaurus" 3 August 2015. Web. 25 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms> |