- Definitions|2
- Thesaurus|675
- Abbreviations|0
63 entries under determined topic. ×
| steadfast(adjective, tough, firm, resolute) | |
| unappeasable(adjective, resolute, uncompromising, unshakeable) | |
| dogged(adjective, tough, firm, resolute) | |
| insistent(adjective, resolute, uncompromising, unshakeable) | |
| ossified(adjective, resolute, uncompromising, unshakeable) | |
| unshakable(adjective, resolute, uncompromising, unshakeable) | |
| bullheaded(adjective, strong, hard, tough, severe) | |
| inconvincible(adjective, resolute, uncompromising, unshakeable) | |
| pertinacious(adjective, resolute, uncompromising, unshakeable) | |
| perverse(adjective, resolute, uncompromising, unshakeable) | |
| self-opinionated(adjective, resolute, uncompromising, unshakeable) | |
| self-willed(adjective, resolute, uncompromising, unshakeable) | |
| wilful(adjective, resolute, uncompromising, unshakeable) | |
| willful(adjective, resolute, uncompromising, unshakeable) | |
| indurate(adjective, set, firm, stiff) | |
| unshakeable(adjective, resolute, uncompromising) | |
| resolved(adjective, resolute, uncompromising, unshakeable) | |
| unwavering(adjective, resolute, uncompromising, unshakeable) | |
| dead set(adjective, resolute, uncompromising, unshakeable) | |
| iron-willed(adjective, resolute, uncompromising, unshakeable) |
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| APA | Smart Define. (2015). adamantine thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/adamantine/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "adamantine thesaurus" https://smartdefine.org/adamantine/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, adamantine thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/adamantine/thesaurus/synonyms>. |
| MLA | Smart Define. "adamantine thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/adamantine/thesaurus/synonyms> |