157 entries under rigid topic. ×
| close(adjective, set, hard, tough, severe) | |
| concentrated(adjective, set, strong, hard, tough) | |
| concrete(adjective, set, hard, tough, solid) | |
| condensed(adjective, set, hard, tough, solid) | |
| frozen(adjective, hard, firm, uncertain, anxious) | |
| impervious(adjective, set, hard, tough, solid) | |
| impliable(adjective, hard, firm, dead) | |
| jelled(adjective, set, hard, tough, firm) | |
| mechanical(adjective, hard, firm, inflexible) | |
| single-minded(adjective, tough, firm, harsh, cruel) | |
| unflexible(adjective, hard, tough, firm) | |
| unmoving(adjective, severe, exact, still, fixed) | |
| congealed(adjective, set, hard, tough, firm) | |
| definite(adjective, clear, hard, cool, pleasant) | |
| demanding(adjective, hard, tough, severe, rough) | |
| impenetrable(adjective, set, hard, tough, firm) | |
| incompliant(adjective, hard, tough, severe, firm) | |
| indurate(adjective, set, strong, hard, firm) | |
| indurated(adjective, set, hard, firm, careless) | |
| ossified(adjective, set, hard, firm, solid) |
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| APA | Smart Define. (2015). stiff thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/stiff/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiff thesaurus" https://smartdefine.org/stiff/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, stiff thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/stiff/thesaurus/synonyms>. |
| MLA | Smart Define. "stiff thesaurus" 24 December 2015. Web. 26 September 2026. <https://smartdefine.org/stiff/thesaurus/synonyms> |