- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
277 entries under adjective topic. ×
| tough(strong, hard, firm, serious) | |
| unyielding(strong, hard, tough, firm) | |
| flinty(strong, hard, tough, firm) | |
| inflexible(strong, hard, tough, firm) | |
| adamantine(strong, hard, tough, firm) | |
| hard(strong, tough, firm, solid) | |
| stony(hard, firm, solid, hostile) | |
| obdurate(strong, hard, tough, cold) | |
| rigid(strong, hard, tough, firm) | |
| firm(strong, hard, tough, solid) | |
| unbending(strong, hard, tough, firm) | |
| uncompromising(set, determined, resolute, unsympathetic) | |
| adamant(strong, hard, tough, resolute) | |
| inexorable(strong, hard, tough, determined) | |
| stern(severe, harsh, serious, resolute) | |
| stiff(set, hard, firm, dead) | |
| implacable(strong, hard, tough, determined) | |
| unrelenting(strong, hard, tough, determined) | |
| callous(cold, cruel, unfeeling, unsympathetic) | |
| determined(strong, hard, tough, resolute) |
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| APA | Smart Define. (2015). steely thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/steely/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "steely thesaurus" https://smartdefine.org/steely/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, steely thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/steely/thesaurus/synonyms>. |
| MLA | Smart Define. "steely thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/steely/thesaurus/synonyms> |