- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
161 entries under tough topic. ×
| unsparing(adjective, strong, hard, severe) | |
| unvarnished(adjective, rational, straightforward, sober) | |
| uptight(adjective, severe, firm, harsh) | |
| acrimonious(adjective, harsh, cruel, grim) | |
| antagonistic(adjective, harsh, cruel, grim) | |
| bleak(adjective, severe, harsh, cruel) | |
| cynical(adjective, hard, unfeeling, unsympathetic) | |
| dense(adjective, strong, hard, sturdy) | |
| disagreeable(adjective, harsh, cruel, grim) | |
| distressing(adjective, harsh, grim, painful) | |
| ferric(adjective, strong, hard, sturdy) | |
| ferrous(adjective, strong, hard, sturdy) | |
| grievous(adjective, harsh, cruel, grim) | |
| hard-shelled | |
| heavy(adjective, strong, hard, sturdy) | |
| inclement(adjective, harsh, cruel, grim) | |
| indomitable(adjective, strong, hard, sturdy) | |
| intemperate(adjective, harsh, cruel, grim) | |
| intolerable(adjective, harsh, cruel, grim) | |
| iron-fisted(adjective, severe, firm, harsh) |
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| APA | Smart Define. (2016). hard-boiled thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/hard-boiled/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard-boiled thesaurus" https://smartdefine.org/hard-boiled/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2016, hard-boiled thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/hard-boiled/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-boiled thesaurus" 23 March 2016. Web. 30 September 2026. <https://smartdefine.org/hard-boiled/thesaurus/synonyms> |