- Definitions|2
- Thesaurus|856
- Abbreviations|0
298 entries under adjective topic. ×
| faithful | |
| fearless | |
| feral(mean, harsh, violent, cruel) | |
| forbidding(appearance, strong, hard, tough) | |
| frightful(appearance, violent, terrible, cruel) | |
| frowning(strong, hard, tough, severe) | |
| go for broke(expression, idiom, harsh, cruel) | |
| gratuitous(mean, severe, harsh, cruel) | |
| hang-tough(strong, hard, tough, harsh) | |
| hang in(expression, harsh, cruel, determined) | |
| hanging tough(expression, mean, hard, rigid) | |
| hard-line(strong, hard, tough, severe) | |
| hardhearted(mean, hard, severe, harsh) | |
| hatchet job(expression, mean, severe, harsh) | |
| hateful(animal, mean, evil, nasty) | |
| having a killer instinct(expression, idiom, mean, severe) | |
| hearty | |
| heavy(strong, hard, tough, harsh) | |
| hellish(evil, nasty, harsh, vicious) | |
| impenitent(hard, tough, harsh, cruel) |
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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> |