- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
277 entries under adjective topic. ×
| intransigent(determined, resolute, obstinate, uncompromising) | |
| iron(dull, strong, hard, tough) | |
| relentless(strong, hard, tough, cold) | |
| resolute(determined, stiff, resolute, strict) | |
| rugged(strong, hard, tough, sturdy) | |
| steadfast(determined, resolute, strict, obstinate) | |
| stubborn(strong, hard, tough, determined) | |
| immovable(strong, hard, tough, determined) | |
| impenetrable(firm, rigid, unyielding) | |
| rigorous(set, strong, hard, tough) | |
| set(hard, firm, solid, resolute) | |
| frigid(hostile, unfriendly, aloof, distant) | |
| indestructible(firm, rigid, unyielding) | |
| indurate(hard, firm, solid, stiff) | |
| obstinate(set, hard, stiff, rigid) | |
| rock-hard(firm, rigid, unyielding) | |
| rocky(firm, rigid, unyielding) | |
| severe(strong, hard, tough, harsh) | |
| steel(strong, hard, tough, sturdy) | |
| strong(hard, tough, sturdy, rigid) |
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| APA | Smart Define. (2015). steely thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/steely/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "steely thesaurus" https://smartdefine.org/steely/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, steely thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/steely/thesaurus/synonyms>. |
| MLA | Smart Define. "steely thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/steely/thesaurus/synonyms> |