- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
103 entries under hard topic. ×
| callous(adjective, person, mean, rough) | |
| hardheaded(adjective, strong, tough, determined) | |
| set in stone(expression, adjective, idiom, mean) | |
| bullheaded(adjective, strong, tough, firm) | |
| immutable(adjective, firm, fixed, inflexible) | |
| merciless(adjective, person, mean, rough) | |
| unalterable(adjective, strong, secure, severe) | |
| unsympathetic(adjective, mean, tough, harsh) | |
| austere(adjective, strong, tough, severe) | |
| hanging tough(expression, adjective, mean, determined) | |
| hard-boiled(adjective, person, mean, strong) | |
| hard-hearted(adjective, mean, tough, harsh) | |
| steel(adjective, strong, strength, tough) | |
| unfeeling(adjective, mean, tough, harsh) | |
| indurate(adjective, mean, resolute, inflexible) | |
| ruthless(adjective, mean, rough, harsh) | |
| strong(adjective, tough, flat, firm) | |
| unadaptable(adjective, resolute, rigid, inflexible) | |
| uncompassionate(adjective, person, mean, feelings) | |
| hard-core(adjective, strong, tough, firm) |
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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> |