- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
97 entries under cruel topic. ×
| sanguinary(adjective, hard, tough, harsh) | |
| serious(adjective, strong, hard, tough, severe) | |
| shameless(adjective, hard, tough, harsh) | |
| single-minded(adjective, harsh, determined, fierce) | |
| sour(adjective, hard, tough, harsh) | |
| stop at nothing(expression, adjective, idiom, harsh) | |
| unappeasable(adjective, harsh, determined, fierce) | |
| uncontrite(adjective, hard, tough, harsh) | |
| unflinching(adjective, harsh, determined, fierce) | |
| unforgiving(adjective, hard, tough, severe, harsh) | |
| unmerciful(adjective, hard, tough, harsh) | |
| unpleasant(adjective, tough, severe, harsh) | |
| unregenerate(adjective, hard, tough, harsh) | |
| unremitting(adjective, hard, tough, harsh) | |
| unrepenting(adjective, hard, tough, harsh) | |
| unstoppable(adjective, harsh, determined, fierce) | |
| vindictive(adjective, hard, tough, harsh) |
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| APA | Smart Define. (2016). rigorous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/rigorous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rigorous thesaurus" https://smartdefine.org/rigorous/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, rigorous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/rigorous/thesaurus/synonyms>. |
| MLA | Smart Define. "rigorous thesaurus" 26 February 2016. Web. 28 September 2026. <https://smartdefine.org/rigorous/thesaurus/synonyms> |