754 entries under adjective topic. ×
| strait-laced(tough, correct, severe, firm) | |
| demanding(hard, tough, easy, severe) | |
| formal(tough, correct, severe, firm) | |
| implacable(mean, strong, hard, tough) | |
| resolved(severe, harsh, cruel, determined) | |
| tenacious(determined, resolute, persistent, obstinate) | |
| unswayable(hard, determined, resolute, obstinate) | |
| grim(strong, hard, tough, severe) | |
| standing pat(determined, resolute, obstinate, uncompromising) | |
| unchanging(set, severe, harsh, cruel) | |
| dogged(mean, hard, harsh, cruel) | |
| hanging tough(expression, mean, hard, determined) | |
| intractable(tough, firm, persistent, obstinate) | |
| meticulous(hard, correct, severe, rough) | |
| mulish(mean, strong, hard, tough) | |
| steely(strong, hard, tough, firm) | |
| tense(hard, firm, solid, stiff) | |
| uncompliant(resist, determined, resolute, obstinate) | |
| incompliant(tough, severe, firm, resist) | |
| prim(proper, stiff, particular, solemn) |
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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> |