- Definitions|0
- Thesaurus|178
- Abbreviations|0
89 entries under adjective topic. ×
| stable(hard, strain, firmness, compact) | |
| stiff(strain, firmness, labour, hardiness) | |
| strong(hard, strain, firmness, compact) | |
| firm(hard, strain, firmness, compact) | |
| hard(strain, firmness, compact, dense) | |
| sound(hard, strain, firmness, compact) | |
| substantial(hard, strain, firmness, compact) | |
| durable(strain, firmness, labour, hardiness) | |
| fast(strain, firmness, labour, hardiness) | |
| refractory(strain, firmness, labour, hardiness) | |
| resilient(strain, firmness, labour, hardiness) | |
| stout(strain, firmness, labour, hardiness) | |
| tenable(strain, firmness, labour, hardiness) | |
| tight(hard, strain, firmness, compact) | |
| unyielding(hard, strain, firmness, compact) | |
| hearty | |
| sturdy(hard, compact, dense, rock-hard) | |
| able-bodied | |
| affectionate | |
| antitypous |
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| APA | Smart Define. (2011). rock-solid thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rock-solid/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "rock-solid thesaurus" https://smartdefine.org/rock-solid/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2011, rock-solid thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rock-solid/thesaurus/synonyms>. |
| MLA | Smart Define. "rock-solid thesaurus" 24 May 2011. Web. 24 September 2026. <https://smartdefine.org/rock-solid/thesaurus/synonyms> |