86 entries under harsh topic. ×
| intolerant(adjective, hard, tough, cruel) | |
| merciless(adjective, hard, tough, grim) | |
| misanthropic(adjective, tough, nasty, cold) | |
| murderous(adjective, hard, tough, cruel) | |
| pitiless(adjective, hard, tough, severe) | |
| relentless(adjective, hard, tough, severe) | |
| rigorous(adjective, hard, tough, cruel) | |
| ruthless(adjective, hard, tough, severe) | |
| sanguinary(adjective, hard, tough, cruel) | |
| savage(adjective, hard, tough, cruel) | |
| shameless(adjective, hard, tough, evil, rough) | |
| snappy(strong, tough, sharp, powerful) | |
| tough(adjective, hard, severe, nasty) | |
| tyrannical(adjective, hard, tough, cruel) | |
| uncontrite(adjective, hard, tough, cruel) | |
| unforgiving(adjective, hard, tough, cruel) | |
| unmerciful(adjective, hard, tough, cruel) | |
| unregenerate(adjective, hard, tough, cruel) | |
| unremitting(adjective, hard, tough, cruel) | |
| unrepenting(adjective, hard, tough, cruel) |
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| APA | Smart Define. (2016). sour thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sour/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sour thesaurus" https://smartdefine.org/sour/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, sour thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sour/thesaurus/synonyms>. |
| MLA | Smart Define. "sour thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/sour/thesaurus/synonyms> |