84 entries under adjective topic. ×
| great | |
| grim(strong, hard, tough, sturdy) | |
| hang-tough(strong, hard, tough, sturdy) | |
| hard-boiled(strong, hard, tough, sturdy) | |
| hard-core(strong, hard, tough, sturdy) | |
| hard-line(strong, hard, tough, sturdy) | |
| hard-nosed(strong, hard, tough, sturdy) | |
| hard-shell(strong, hard, tough, sturdy) | |
| hard as nails(expression, idiom, strong, hard) | |
| hardheaded(strong, hard, tough, sturdy) | |
| heavy(strong, hard, tough, sturdy) | |
| implacable(strong, hard, tough, sturdy) | |
| indomitable(strong, hard, tough, sturdy) | |
| inexorable(strong, hard, tough, sturdy) | |
| insensible(strong, hard, tough, sturdy) | |
| intense | |
| merciless | |
| metallic | |
| mortified(strong, hard, tough, sturdy) | |
| mulish(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> |