183 entries under firm topic. ×
| usual(adjective, determined, regular, straight) | |
| willful(tough, inflexible, obstinate, stubborn) | |
| agreed(adjective, determined, usual, regular) | |
| annealed(adjective, hard, solid, stiff) | |
| arranged(adjective, determined, usual, regular) | |
| arthritic(adjective, hard, solid, stiff) | |
| balky(tough, unreasonable, inflexible, obstinate) | |
| bent(adjective, determined, usual, regular) | |
| benumbed(adjective, hard, solid, stiff) | |
| bullheaded(adjective, strong, hard, tough, severe) | |
| cemented(adjective, hard, solid, stiff) | |
| certain(adjective, correct, exact, determined) | |
| chilled(adjective, hard, solid, stiff) | |
| concluded(adjective, determined, usual, regular) | |
| congealed(adjective, set, hard, tough) | |
| contracted(adjective, hard, solid, stiff) | |
| creaky(adjective, hard, solid, stiff) | |
| disciplinary(adjective, strong, hard, tough, severe) | |
| entrenched(adjective, solid, determined, usual) | |
| erectile(adjective, straight, upright) |
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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> |