- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
164 entries under harsh topic. ×
| by the book(expression, adjective, idiom, strong, hard) | |
| callous(adjective, hard, tough, grim) | |
| dead set(expression, adjective, tough, severe, firm) | |
| dead set on(expression, adjective, idiom, severe) | |
| disagreeable(adjective, tough, severe, unpleasant) | |
| disciplinary(adjective, strong, hard, tough, severe) | |
| distressing(adjective, tough, severe, rough, difficult) | |
| dogged(adjective, set, cruel, determined) | |
| forbidding(adjective, strong, hard, tough, severe) | |
| frowning(adjective, strong, hard, tough, severe) | |
| go for broke(expression, adjective, idiom, cruel) | |
| grievous(adjective, hard, tough, severe) | |
| grueling(adjective, hard, tough, severe, difficult) | |
| hang-tough(adjective, strong, hard, tough) | |
| hang in(expression, adjective, cruel, determined) | |
| hard-bitten(adjective, hard, tough, cruel) | |
| hard-boiled(adjective, strong, hard, tough, severe) | |
| hard-line(adjective, strong, hard, tough, severe) | |
| hardened(adjective, hard, tough, cruel) | |
| hardheaded(adjective, strong, hard, tough, severe) |
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| APA | Smart Define. (2016). rigorous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rigorous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rigorous thesaurus" https://smartdefine.org/rigorous/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, rigorous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rigorous/thesaurus/synonyms>. |
| MLA | Smart Define. "rigorous thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/rigorous/thesaurus/synonyms> |