- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
58 entries under sturdy topic. ×
| tough(adjective, strong, hard, firm, serious) | |
| unyielding(adjective, strong, hard, tough, firm) | |
| flinty(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) | |
| adamant(adjective, strong, hard, tough, resolute) | |
| inexorable(adjective, strong, hard, tough, determined) | |
| implacable(adjective, strong, hard, tough, determined) | |
| unrelenting(adjective, strong, hard, tough, determined) | |
| relentless(adjective, strong, hard, tough, cold) | |
| rugged(adjective, strong, hard, tough) | |
| stubborn(adjective, strong, hard, tough, determined) | |
| immovable(adjective, strong, hard, tough, determined) | |
| rigorous(adjective, set, strong, hard, tough) | |
| severe(adjective, strong, hard, tough, harsh) |
For more, visit
Steely on
Power Thesaurus
| APA | Smart Define. (2015). steely thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/steely/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "steely thesaurus" https://smartdefine.org/steely/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, steely thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/steely/thesaurus/synonyms>. |
| MLA | Smart Define. "steely thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/steely/thesaurus/synonyms> |