- Definitions|2
- Thesaurus|856
- Abbreviations|0
298 entries under adjective topic. ×
| pigheaded(mean, hard, tough, firm) | |
| resolved(determined, resolute, uncompromising, unshakeable) | |
| retaliatory(mean, hateful, malicious, spiteful) | |
| rigorous(strong, hard, tough, harsh) | |
| rock-ribbed(determined, resolute, uncompromising, unshakeable) | |
| strong-willed(determined, resolute, uncompromising, unshakeable) | |
| unmoved | |
| unshakeable(determined, resolute, uncompromising) | |
| barbaric(animal, mean, violent, cruel) | |
| bitter(strong, hard, tough, severe) | |
| bold | |
| constant | |
| decided | |
| decisive | |
| dedicated | |
| diligent | |
| fell(animal, mean, violent, cruel) | |
| fierce(animal, mean, hard, tough) | |
| fixed(mean, hard, tough, firm) | |
| flinty(strong, hard, tough, severe) |
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| APA | Smart Define. (2016). implacable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/implacable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "implacable thesaurus" https://smartdefine.org/implacable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, implacable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/implacable/thesaurus/synonyms>. |
| MLA | Smart Define. "implacable thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/implacable/thesaurus/synonyms> |