- Definitions|1
- Thesaurus|1.6k
- Abbreviations|0
161 entries under tough topic. ×
| hard-shell(adjective, strong, hard, severe) | |
| hard as nails(expression, adjective, idiom, hard) | |
| headstrong | |
| immovable(adjective, mean, strong, hard) | |
| impassive(adjective, calm, hard, careless) | |
| impersonal(adjective, rational, straightforward, sober) | |
| inexorable(adjective, mean, strong, hard) | |
| iron(adjective, mean, hard, harsh) | |
| levelheaded(adjective, calm, hard, sound) | |
| lifeless(adjective, rational, straightforward, sober) | |
| mean(adjective, hard, severe, sharp) | |
| mortified(adjective, strong, hard, severe) | |
| mulish(adjective, mean, strong, hard) | |
| mundane(adjective, simple, rational, straightforward) | |
| naked(adjective, rational, straightforward, sober) | |
| perverse(adjective, mean, hard, harsh) | |
| phlegmatic(adjective, rational, straightforward, detached) | |
| pigheaded(adjective, mean, hard, sharp) | |
| plain(adjective, calm, sensible, dark) | |
| prosaic(adjective, hard, sound, rational) |
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| APA | Smart Define. (2016). hard-boiled thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/hard-boiled/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "hard-boiled thesaurus" https://smartdefine.org/hard-boiled/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2016, hard-boiled thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/hard-boiled/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-boiled thesaurus" 23 March 2016. Web. 1 October 2026. <https://smartdefine.org/hard-boiled/thesaurus/synonyms> |