- Definitions|2
- Thesaurus|3k
- Abbreviations|0
153 entries under firm topic. ×
| persevering(adjective, strong, tough, flat) | |
| steady(adjective, strong, secure, moderate, flat) | |
| sturdy(adjective, close, strong, hard, tough) | |
| unflinching(adjective, strong, flat, harsh) | |
| willful(adjective, tough, determined, resolute) | |
| narrow(adjective, hard, moderate, rough) | |
| true(adjective, strong, smooth, tough, flat) | |
| bullheaded(adjective, strong, hard, tough) | |
| decided(adjective, certain, resolution, limited) | |
| definite(adjective, strong, hard, severe, flat) | |
| frozen(adjective, hard, solid, stiff) | |
| hard-core(adjective, strong, hard, tough, severe) | |
| ossified(adjective, solid, determined, normal) | |
| rocky(adjective, set, strong, hard) | |
| taut(adjective, hard, rough, harsh) | |
| balky(adjective, tough, unreasonable, obstinate) | |
| compressed(adjective, set, strong, hard, tough) | |
| dense(adjective, close, set, strong, hard) | |
| impenetrable(adjective, set, strong, hard, tough) | |
| impliable(adjective, hard, solid, stiff) |
For more, visit
Inflexible on
Power Thesaurus
| 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> |