- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
124 entries under mean topic. ×
| brutal(adjective, strong, severe, evil) | |
| callous(adjective, hard, severe, evil) | |
| heartless(adjective, hard, severe, evil) | |
| unsparing(adjective, strong, hard, tough) | |
| ferocious(adjective, animal, strong, severe) | |
| hanging tough(expression, adjective, hard, determined) | |
| mulish(adjective, strong, hard, tough) | |
| hard-hearted(adjective, hard, tough, evil) | |
| unfeeling(adjective, animal, hard, severe) | |
| unsympathetic(adjective, animal, hard, severe) | |
| mortal(adjective, severe, harsh, cruel) | |
| cutthroat(adjective, strong, hard, severe) | |
| pigheaded(adjective, hard, tough, determined) | |
| unpitying(adjective, severe, harsh, cruel) | |
| barbarous(adjective, animal, appearance, strong) | |
| cold-blooded(adjective, hard, evil, nasty) | |
| indurate(adjective, hard, determined, resolute) | |
| perverse(adjective, hard, tough, determined) | |
| uncompassionate(adjective, animal, hard, harsh) | |
| uncooperative(adjective, hard, persistent, obstinate) |
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| APA | Smart Define. (2015). relentless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/relentless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "relentless thesaurus" https://smartdefine.org/relentless/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, relentless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/relentless/thesaurus/synonyms>. |
| MLA | Smart Define. "relentless thesaurus" 24 June 2015. Web. 25 September 2026. <https://smartdefine.org/relentless/thesaurus/synonyms> |