- Definitions|0
- Thesaurus|245
- Abbreviations|0
112 entries under adjective topic. ×
| accustomed(hard, unfeeling, unsympathetic, prepared) | |
| bent(serious, resolute, persistent, unwavering) | |
| bent on(expression, serious, resolute, persistent) | |
| benumbed(hard, unfeeling, unsympathetic, prepared) | |
| buckled down(expression, serious, resolute, persistent) | |
| callous(hard, unfeeling, unsympathetic, prepared) | |
| case-hardened(hard, unfeeling, unsympathetic, prepared) | |
| coldhearted(hard, unfeeling, unsympathetic, prepared) | |
| constant(serious, resolute, persistent, pat) | |
| contemptuous(hard, unfeeling, unsympathetic, prepared) | |
| cruel(hard, unfeeling, unsympathetic, hardened) | |
| decided(serious, resolute, persistent, unwavering) | |
| decisive(serious, resolute, persistent, unwavering) | |
| disdainful(hard, unfeeling, unsympathetic, prepared) | |
| dogged(serious, resolute, persistent, unwavering) | |
| driven(serious, resolute, persistent, pat) | |
| earnest(determined, serious, resolute, persistent) | |
| fixed(serious, resolute, persistent, unwavering) | |
| habituated(hard, unfeeling, unsympathetic, prepared) | |
| hard-bitten(hard, unfeeling, unsympathetic, hardened) |
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| APA | Smart Define. (2011). hard-as-nails thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/hard-as-nails/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "hard-as-nails thesaurus" https://smartdefine.org/hard-as-nails/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2011, hard-as-nails thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/hard-as-nails/thesaurus/synonyms>. |
| MLA | Smart Define. "hard-as-nails thesaurus" 24 May 2011. Web. 28 September 2026. <https://smartdefine.org/hard-as-nails/thesaurus/synonyms> |