- Definitions|0
- Thesaurus|113
- Abbreviations|1
8 entries under firmness topic. ×
| strong(adjective, strain, distinct, labour) | |
| sound(adjective, strain, labour, hardiness) | |
| hard(adjective, strain, labour, hardiness) | |
| substantial(adjective, strain, labour, hardiness) | |
| lasting(adjective, strain, labour, hardiness) | |
| long-standing(adjective, strain, labour, hardiness) | |
| settled(adjective, strain, labour, hardiness) | |
| enduring(adjective, strain, labour, hardiness) |
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| APA | Smart Define. (2015). well-established thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/well-established/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "well-established thesaurus" https://smartdefine.org/well-established/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, well-established thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/well-established/thesaurus/synonyms>. |
| MLA | Smart Define. "well-established thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/well-established/thesaurus/synonyms> |