- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
43 entries under strict topic. ×
| tough(adjective, strong, hard, firm, serious) | |
| unyielding(adjective, strong, hard, tough, firm) | |
| inflexible(adjective, strong, hard, tough, firm) | |
| adamantine(adjective, strong, hard, tough, firm) | |
| hard(adjective, strong, tough, firm, solid) | |
| obdurate(adjective, strong, hard, tough, cold) | |
| rigid(adjective, strong, hard, tough, firm) | |
| firm(adjective, strong, hard, tough, solid) | |
| unbending(adjective, strong, hard, tough, firm) | |
| uncompromising(adjective, set, determined, resolute, unsympathetic) | |
| adamant(adjective, strong, hard, tough, resolute) | |
| inexorable(adjective, strong, hard, tough, determined) | |
| stern(adjective, severe, harsh, serious, resolute) | |
| stiff(adjective, set, hard, firm, dead) | |
| implacable(adjective, strong, hard, tough, determined) | |
| unrelenting(adjective, strong, hard, tough, determined) | |
| determined(adjective, strong, hard, tough, resolute) | |
| iron(adjective, dull, strong, hard, tough) | |
| relentless(adjective, strong, hard, tough, cold) | |
| resolute(adjective, determined, stiff, 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> |