- Definitions|1
- Thesaurus|133
- Abbreviations|0
26 entries under reserved topic. ×
| stiff(adjective, hard, tough, firm, rigid) | |
| inelastic(adjective, hard, tough, firm, solid) | |
| inflexible(adjective, hard, tough, firm, solid) | |
| intractable(adjective, tough, firm, fixed, distant) | |
| rigid(adjective, hard, tough, firm, solid) | |
| unyielding(adjective, hard, tough, firm, solid) | |
| crisp(adjective, tough, firm, fixed, distant) | |
| distant(adjective, tough, firm, fixed, rigid) | |
| do or die(expression, adjective, idiom, tough, firm) | |
| dug in(expression, adjective, tough, firm, distant) | |
| firm(adjective, hard, tough, solid, rigid) | |
| formal(adjective, tough, firm, fixed, distant) | |
| hard as nails(expression, adjective, idiom, tough, firm) | |
| hold the fort(expression, adjective, idiom, tough, firm) | |
| hold the line(expression, adjective, idiom, tough, firm) | |
| incompliant(adjective, hard, tough, firm, solid) | |
| inexorable(adjective, tough, firm, fixed, distant) | |
| locked in(expression, adjective, tough, firm, distant) | |
| obstinate(adjective, tough, firm, fixed, rigid) | |
| resolute(adjective, tough, firm, fixed, distant) |
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| APA | Smart Define. (2015). unflexible thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unflexible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unflexible thesaurus" https://smartdefine.org/unflexible/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, unflexible thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unflexible/thesaurus/synonyms>. |
| MLA | Smart Define. "unflexible thesaurus" 9 December 2015. Web. 27 September 2026. <https://smartdefine.org/unflexible/thesaurus/synonyms> |