84 entries under adjective topic. ×
| strong(hard, tough, sturdy, rigid) | |
| sturdy(strong, hard, tough, rugged) | |
| unrelenting(strong, hard, tough, sturdy) | |
| unyielding(strong, hard, tough, sturdy) | |
| astringent(strong, hard, tough, sturdy) | |
| authoritarian(strong, hard, tough, sturdy) | |
| bitter(strong, hard, tough, sturdy) | |
| bullheaded(strong, hard, tough, sturdy) | |
| by the book(expression, idiom, strong, hard) | |
| consistent | |
| cruel(strong, hard, tough, sturdy) | |
| crusty | |
| dense(strong, hard, tough, sturdy) | |
| determined(strong, hard, tough) | |
| difficult | |
| disciplinary(strong, hard, tough, sturdy) | |
| dyed-in-the-wool(strong, hard, tough, sturdy) | |
| flinty(strong, hard, tough, sturdy) | |
| forbidding(strong, hard, tough, sturdy) | |
| frowning(strong, hard, tough, sturdy) |
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| APA | Smart Define. (2016). steel thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/steel/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "steel thesaurus" https://smartdefine.org/steel/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, steel thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/steel/thesaurus/synonyms>. |
| MLA | Smart Define. "steel thesaurus" 24 January 2016. Web. 29 September 2026. <https://smartdefine.org/steel/thesaurus/synonyms> |