- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
92 entries under grim topic. ×
| grievous(adjective, hard, tough, severe, harsh) | |
| hard-bitten(adjective, hard, tough, harsh, cruel) | |
| hard-boiled(adjective, strong, hard, tough, severe) | |
| hardened(adjective, hard, tough, harsh, cruel) | |
| hardheaded(adjective, strong, hard, tough, severe) | |
| impenitent(adjective, hard, tough, harsh, cruel) | |
| inhumane(adjective, hard, tough, harsh, cruel) | |
| insensitive(adjective, hard, tough, harsh, cruel) | |
| mortified(adjective, strong, hard, tough, severe) | |
| sanguinary(adjective, hard, tough, harsh, cruel) | |
| serious(adjective, strong, hard, tough, severe) | |
| shameless(adjective, hard, tough, harsh, cruel) | |
| sour(adjective, hard, tough, harsh, cruel) | |
| uncontrite(adjective, hard, tough, harsh, cruel) | |
| unforgiving(adjective, hard, tough, severe, harsh) | |
| unmerciful(adjective, hard, tough, harsh, cruel) | |
| unpleasant(adjective, tough, severe, harsh, cruel) | |
| unregenerate(adjective, hard, tough, harsh, cruel) | |
| unremitting(adjective, hard, tough, harsh, cruel) | |
| unrepenting(adjective, hard, tough, harsh, 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> |