141 entries under stiff topic. ×
| tense(adjective, hard, firm, solid) | |
| incompliant(adjective, tough, severe, firm, resist) | |
| prim(adjective, proper, particular, solemn) | |
| flinty(adjective, strong, hard, tough, severe) | |
| unmoving(adjective, severe, still, fixed) | |
| close(adjective, hard, tough, correct, severe) | |
| cool(adjective, severe, cold, detached, unfriendly) | |
| definite(adjective, hard, correct, severe, rough) | |
| taut(adjective, hard, firm, solid) | |
| undeviating(adjective, severe, harsh, cruel, determined) | |
| stony(adjective, set, hard, firm, solid) | |
| frigid(adjective, cool, cold, detached, unfriendly) | |
| single-minded(adjective, tough, severe, firm, harsh) | |
| static(adjective, set, secure, severe, still) | |
| callous(adjective, set, mean, strong, hard) | |
| hard-line(adjective, strong, hard, tough, severe) | |
| immutable(adjective, set, hard, regular, fixed) | |
| buckram(adjective, hard, firm, solid) | |
| changeless(adjective, set, severe, firm, still) | |
| cold(adjective, hard, cool, severe, harsh) |
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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> |