- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
164 entries under harsh topic. ×
| uncontrite(adjective, hard, tough, cruel) | |
| unflinching(adjective, cruel, determined, fierce) | |
| unforgiving(adjective, hard, tough, severe) | |
| unmerciful(adjective, hard, tough, cruel) | |
| unpermissive(adjective, hard, tough, severe, rough) | |
| unpleasant(adjective, tough, severe, cruel) | |
| unregenerate(adjective, hard, tough, cruel) | |
| unremitting(adjective, hard, tough, cruel) | |
| unrepenting(adjective, hard, tough, cruel) | |
| unstoppable(adjective, cruel, determined, fierce) | |
| uptight(adjective, tough, severe, firm) | |
| vengeful(adjective, tough, grim, painful) | |
| vindictive(adjective, hard, tough, cruel) | |
| cold-blooded(adjective, tough, grim, painful) | |
| cold fish(expression, adjective, tough, grim) | |
| galling(adjective, severe, unpleasant, heavy) | |
| hard as nails(expression, adjective, idiom, tough, severe) | |
| hardboiled(grim, painful, bleak) | |
| no-nonsense(adjective, tough, severe, firm) | |
| perverse(adjective, tough, severe, grim) |
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| APA | Smart Define. (2016). rigorous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rigorous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rigorous thesaurus" https://smartdefine.org/rigorous/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, rigorous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rigorous/thesaurus/synonyms>. |
| MLA | Smart Define. "rigorous thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/rigorous/thesaurus/synonyms> |