157 entries under rigid topic. ×
| compact(adjective, set, hard, tough, firm) | |
| distant(adjective, tough, correct, firm, cold) | |
| stringent(adjective, hard, severe, rough, difficult) | |
| exacting(adjective, hard, tough, severe, rough) | |
| graceless(adjective, hard, firm, rude, coarse) | |
| heavy(adjective, set, hard, tough, severe) | |
| rough(adjective, hard, severe, difficult, harsh) | |
| stark(adjective, hard, firm, utter) | |
| unchangeable(adjective, set, hard, resolute) | |
| brittle(adjective, hard, firm, tense) | |
| indomitable(adjective, hard, inflexible, strict) | |
| uptight(adjective, tough, firm, uncertain, anxious) | |
| compressed(adjective, set, hard, tough, firm) | |
| exact(adjective, correct, severe, harsh, solid) | |
| hardened(adjective, hard, tough, firm, solid) | |
| iron(adjective, firm, resolute, inflexible) | |
| petrified(adjective, hard, firm, inflexible) | |
| solidified(adjective, set, hard, tough, firm) | |
| ironclad(adjective, set, hard, severe, harsh) | |
| rocky(adjective, set, strong, hard, firm) |
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| APA | Smart Define. (2015). stiff thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/stiff/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiff thesaurus" https://smartdefine.org/stiff/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, stiff thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/stiff/thesaurus/synonyms>. |
| MLA | Smart Define. "stiff thesaurus" 24 December 2015. Web. 25 September 2026. <https://smartdefine.org/stiff/thesaurus/synonyms> |