- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
81 entries under firm topic. ×
| stern(adjective, mean, hard, rough) | |
| intractable(adjective, hard, tough, determined) | |
| mulish(adjective, mean, strong, hard, tough) | |
| unwavering(adjective, strong, secure, flat) | |
| flinty(adjective, strong, hard, tough) | |
| headstrong(adjective, tough, determined, resolute) | |
| refractory(adjective, tough, determined, unreasonable) | |
| persistent(adjective, strong, tough, flat) | |
| strict(adjective, strong, hard, tough, flat) | |
| opinionated(adjective, tough, determined, resolute) | |
| recalcitrant(adjective, tough, unreasonable, grim) | |
| resolved(adjective, strong, flat, certain) | |
| self-willed(adjective, tough, determined, resolute) | |
| uncompliant(adjective, tough, resist, determined) | |
| impenetrable(adjective, rigid, unyielding, steely) | |
| persevering(adjective, strong, tough, flat) | |
| rocky(adjective, difficult, rigid, troubled) | |
| bullheaded(adjective, strong, hard, tough) | |
| immutable(adjective, hard, fixed, inflexible) | |
| indestructible(adjective, rigid, unyielding, steely) |
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| APA | Smart Define. (2016). adamant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/adamant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "adamant thesaurus" https://smartdefine.org/adamant/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, adamant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/adamant/thesaurus/synonyms>. |
| MLA | Smart Define. "adamant thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/adamant/thesaurus/synonyms> |