754 entries under adjective topic. ×
| stuffy(tough, correct, moderate, severe) | |
| taut(hard, firm, solid, stiff) | |
| undeviating(severe, harsh, cruel, determined) | |
| stony(set, hard, firm, solid) | |
| brassbound(resist, determined, resolute, persistent) | |
| frigid(cool, cold, detached, unfriendly) | |
| hardheaded(strong, hard, tough, determined) | |
| narrow-minded(persistent, obstinate, insistent, dogged) | |
| pat(firm, determined, usual, regular) | |
| pertinacious(tough, determined, resolute, obstinate) | |
| single-minded(tough, severe, firm, harsh) | |
| static(set, secure, severe, still) | |
| callous(set, mean, strong, hard) | |
| conventional(correct, proper, usual, straight) | |
| critical | |
| cruel(strong, hard, tough, severe) | |
| dour(hard, tough, severe, firm) | |
| hard-line(strong, hard, tough, severe) | |
| immutable(set, hard, regular, fixed) | |
| painstaking |
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| APA | Smart Define. (2015). rigid thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rigid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rigid thesaurus" https://smartdefine.org/rigid/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, rigid thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rigid/thesaurus/synonyms>. |
| MLA | Smart Define. "rigid thesaurus" 3 August 2015. Web. 24 September 2026. <https://smartdefine.org/rigid/thesaurus/synonyms> |