- Definitions|2
- Thesaurus|856
- Abbreviations|0
298 entries under adjective topic. ×
| frigid(mean, hard, harsh, cold) | |
| hard-core(strong, hard, tough, severe) | |
| hardened(hard, tough, harsh, cruel) | |
| indefatigable | |
| indifferent(mean, hard, harsh, cold) | |
| indomitable(set, strong, hard, tough) | |
| insensitive(hard, tough, harsh, cruel) | |
| insistent | |
| opinionated(determined, resolute, uncompromising, unshakeable) | |
| pat(determined, resolute, uncompromising, unshakeable) | |
| persevering | |
| punitive(severe, harsh, cruel, reactive) | |
| sadistic(mean, evil, nasty, harsh) | |
| self-opinionated(determined, resolute, uncompromising, unshakeable) | |
| serious(strong, hard, tough, severe) | |
| single-minded(tough, firm, harsh, cruel) | |
| staunch(hard, firm, determined, resolute) | |
| steady | |
| strict(set, strong, hard, tough) | |
| thorough |
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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> |