- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
161 entries under tough topic. ×
| bullhead(adjective, mean, hard, harsh) | |
| bullheaded(adjective, strong, hard, severe) | |
| by the book(expression, adjective, idiom, strong, hard) | |
| calm(adjective, sensible, restrained, rational) | |
| dead set(expression, adjective, severe, firm) | |
| deadpan(adjective, rational, straightforward, detached) | |
| disciplinary(adjective, strong, hard, severe) | |
| dour(adjective, hard, severe, sharp) | |
| draconian(adjective, severe, firm, harsh) | |
| dry(adjective, rational, straightforward, sober) | |
| dyed-in-the-wool(adjective, strong, hard, severe) | |
| factual(adjective, reasonable, sensible, rational) | |
| feasible(adjective, reasonable, sensible, rational) | |
| flat(adjective, severe, rational, straightforward) | |
| flinty(adjective, strong, hard, severe) | |
| forbidding(adjective, person, strong, hard) | |
| frowning(adjective, strong, hard, severe) | |
| grim(adjective, strong, hard, severe) | |
| hang-tough(adjective, strong, hard, severe) | |
| hard-core(adjective, strong, hard, severe) |
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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> |