183 entries under firm topic. ×
| cantankerous(tough, persistent, obstinate, stubborn) | |
| concentrated(adjective, set, strong, hard, complete) | |
| decided(adjective, determined, usual, regular) | |
| decisive(adjective, exact, determined, usual) | |
| hard-boiled(adjective, mean, strong, hard, tough) | |
| impliable(adjective, hard, solid, stiff) | |
| indurated(adjective, set, strong, hard) | |
| insubordinate(tough, persistent, obstinate, stubborn) | |
| intent(adjective, complete, total, intense) | |
| packed(adjective, set, strong, hard) | |
| perverse(adjective, mean, hard, tough) | |
| prescribed(adjective, proper, determined, usual) | |
| rebellious(adjective, tough, unreasonable, inflexible) | |
| rocklike(adjective, stiff) | |
| situated(secure, solid, stiff, inflexible) | |
| solidified(adjective, set, hard, tough) | |
| unflexible(adjective, hard, tough, solid) | |
| ungraceful(adjective, hard, solid, stiff) | |
| unmanageable(tough, persistent, obstinate, stubborn) | |
| unpermissive(adjective, hard, tough, severe, rough) |
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| APA | Smart Define. (2015). rigid thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, rigid thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>. |
| MLA | Smart Define. "rigid thesaurus" 3 August 2015. Web. 26 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms> |