- Definitions|2
- Thesaurus|675
- Abbreviations|0
150 entries under adjective topic. ×
| inconvincible(determined, resolute, uncompromising, unshakeable) | |
| pertinacious(determined, resolute, uncompromising, unshakeable) | |
| perverse(determined, resolute, uncompromising, unshakeable) | |
| powerful | |
| rugged(set, strong, hard, tough) | |
| self-opinionated(determined, resolute, uncompromising, unshakeable) | |
| self-willed(determined, resolute, uncompromising, unshakeable) | |
| solid(set, strong, hard, severe) | |
| stout | |
| wilful(determined, resolute, uncompromising, unshakeable) | |
| willful(determined, resolute, uncompromising, unshakeable) | |
| carbon | |
| indurate(set, firm, determined, stiff) | |
| robust(strong, hard, strength, tough) | |
| unshakeable(determined, resolute, uncompromising) | |
| C | |
| dense(set, strong, hard, tough) | |
| durable(strong, tough, firm, stiff) | |
| forcible | |
| hard-boiled(strong, hard, tough, sturdy) |
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| APA | Smart Define. (2015). adamantine thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/adamantine/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "adamantine thesaurus" https://smartdefine.org/adamantine/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, adamantine thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/adamantine/thesaurus/synonyms>. |
| MLA | Smart Define. "adamantine thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/adamantine/thesaurus/synonyms> |