- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
164 entries under harsh topic. ×
| inhuman(adjective, hard, tough, cruel) | |
| intolerable(adjective, tough, severe, heavy) | |
| intolerant(adjective, hard, tough, severe, firm) | |
| merciless(adjective, hard, tough, difficult) | |
| picky(adjective, tough, severe, fine, firm) | |
| poignant(adjective, severe, unpleasant, vicious) | |
| rancorous(adjective, tough, grim, painful) | |
| remorseless(adjective, hard, cruel, determined) | |
| savage(adjective, hard, tough, unpleasant) | |
| solid(adjective, complete, correct, severe) | |
| square(adjective, tough, severe, firm) | |
| stiff-necked(adjective, strong, hard, tough, severe) | |
| unfeeling(adjective, tough, severe, cruel) | |
| unkind(adjective, tough, grim, painful) | |
| unsympathetic(adjective, tough, severe, grim) | |
| avaricious(adjective, hard, tough, cruel) | |
| barbarous(adjective, hard, tough, cruel) | |
| bloody(adjective, hard, tough, cruel) | |
| bound(adjective, cruel, determined, fierce) | |
| bound and determined(expression, adjective, idiom, cruel) |
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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> |