- Definitions|2
- Thesaurus|3k
- Abbreviations|0
206 entries under rigid topic. ×
| unadaptable(adjective, set, hard, stiff) | |
| undeviating(adjective, strong, smooth, flat, harsh) | |
| constant(adjective, strong, secure, moderate, flat) | |
| indurate(adjective, mean, hard, firm, determined) | |
| ironclad(adjective, set, hard, severe, harsh) | |
| steady(adjective, strong, secure, moderate, flat) | |
| sturdy(adjective, close, strong, hard, tough) | |
| demanding(adjective, hard, severe, rough, difficult) | |
| inalterable(adjective, set, certain, limited, definite) | |
| narrow(adjective, hard, moderate, rough, firm) | |
| changeless(adjective, set, certain, limited, definite) | |
| definite(adjective, strong, hard, severe, flat) | |
| formal(adjective, strong, severe, fixed, serious) | |
| frozen(adjective, hard, firm, solid, stiff) | |
| monolithic(adjective, solid, normal, even) | |
| ossified(adjective, firm, solid, determined, normal) | |
| rocky(adjective, set, strong, hard, firm) | |
| rough(adjective, person, strong, hard, tough) | |
| straight(adjective, direct, right, moderate, level) | |
| taut(adjective, hard, rough, firm, harsh) |
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| APA | Smart Define. (2016). inflexible thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/inflexible/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "inflexible thesaurus" https://smartdefine.org/inflexible/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, inflexible thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/inflexible/thesaurus/synonyms>. |
| MLA | Smart Define. "inflexible thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/inflexible/thesaurus/synonyms> |