- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
103 entries under hard topic. ×
| mean(adjective, tough, harsh, cruel) | |
| savage(adjective, mean, severe, rough) | |
| thick-skinned(adjective, mean, tough, harsh) | |
| tough nut to crack(expression, adjective, idiom, mean) | |
| unimpressible(adjective, mean, tough, harsh) | |
| vicious(adjective, mean, severe, rough) | |
| fierce(adjective, mean, rough, harsh) | |
| astringent(adjective, strong, tough, sturdy) | |
| bitter(adjective, strong, tough, sturdy) | |
| by the book(expression, adjective, idiom, strong) | |
| disciplinary(adjective, strong, tough, sturdy) | |
| ferric(adjective, strong, tough, sturdy) | |
| ferrous(adjective, strong, tough, sturdy) | |
| frowning(adjective, strong, tough, sturdy) | |
| hard-and-fast(resolute, rigid, inflexible, strict) | |
| hard as nails(expression, adjective, idiom, strong) | |
| heavy(adjective, strong, tough, sturdy) | |
| mortified(adjective, strong, tough, sturdy) | |
| robust(adjective, strong, tough, sturdy) | |
| rock hard(expression, adjective, strong, tough) |
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| APA | Smart Define. (2016). adamant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/adamant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "adamant thesaurus" https://smartdefine.org/adamant/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, adamant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/adamant/thesaurus/synonyms>. |
| MLA | Smart Define. "adamant thesaurus" 23 March 2016. Web. 28 September 2026. <https://smartdefine.org/adamant/thesaurus/synonyms> |