- Definitions|2
- Thesaurus|730
- Abbreviations|0
9 entries under strong topic. ×
| endurable(adjective, hard, stable, sufficient) | |
| tenable(adjective, hard, sound, firm) | |
| stable(adjective, hard, firm, steady) | |
| enduring(adjective, hard, firm, steady) | |
| staunch(adjective, hard, stable, stability) | |
| sturdy(adjective, hard, stable, stability) | |
| everlasting(adjective, hard, stable, stability) | |
| resistant(adjective, hard, stable, stability) | |
| robust(adjective, hard, stable, stability) |
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| APA | Smart Define. (2016). sustainable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sustainable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sustainable thesaurus" https://smartdefine.org/sustainable/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, sustainable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sustainable/thesaurus/synonyms>. |
| MLA | Smart Define. "sustainable thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/sustainable/thesaurus/synonyms> |