- Definitions|2
- Thesaurus|3k
- Abbreviations|0
153 entries under firm topic. ×
| faithful(adjective, strong, determined, bold) | |
| forceful(adjective, strong, tough, severe) | |
| graceless(adjective, hard, solid, stiff) | |
| hard as nails(expression, adjective, idiom, set, hard) | |
| immalleable(adjective, hard, solid, stiff) | |
| intent(adjective, strong, flat, certain) | |
| jelled(adjective, hard, tough, solid) | |
| locked in(expression, severe, fixed, stiff) | |
| mechanical(adjective, hard, solid, stiff) | |
| numbed(adjective, hard, solid, stiff) | |
| ornery(adjective, tough, unreasonable, grim) | |
| petrified(adjective, hard, solid, rigid) | |
| purposeful(adjective, deliberate, determined, resolute) | |
| rheumatic(adjective, hard, solid, stiff) | |
| secure(adjective, close, strong, steady) | |
| serious(adjective, strong, hard, tough, severe) | |
| stand pat(expression, strong, steady, definite) | |
| starchy(adjective, strong, hard, solid) | |
| static(adjective, set, severe, harsh) | |
| stiff as a board(expression, adjective, idiom, hard) |
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| APA | Smart Define. (2016). inflexible thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/inflexible/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "inflexible thesaurus" https://smartdefine.org/inflexible/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, inflexible thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/inflexible/thesaurus/synonyms>. |
| MLA | Smart Define. "inflexible thesaurus" 24 March 2016. Web. 30 September 2026. <https://smartdefine.org/inflexible/thesaurus/synonyms> |