- Definitions|1
- Thesaurus|723
- Abbreviations|0
39 entries under essential topic. ×
| supporting(verb, adjective, important, significant, original) | |
| axiological(adjective, important, significant, original) | |
| basal(adjective, important, significant, original) | |
| basic(adjective, important, significant, original) | |
| bottom(adjective, important, significant, original) | |
| cardinal(adjective, important, significant, original) | |
| central(adjective, important, significant, original) | |
| constitutional(adjective, important, significant, original) | |
| crucial(adjective, important, significant, original) | |
| elemental(adjective, important, significant, original) | |
| elementary(adjective, important, significant, original) | |
| first(adjective, important, significant, original) | |
| foundational(adjective, important, significant, original) | |
| grass-roots(adjective, important, significant, original) | |
| indispensable(adjective, important, significant, original) | |
| integral(adjective, important, significant, original) | |
| intrinsic(adjective, important, significant, original) | |
| key(adjective, important, significant, original) | |
| major(adjective, important, significant, original) | |
| meat-and-potatoes(adjective, important, significant, original) |
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| APA | Smart Define. (2015). sustaining thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sustaining/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sustaining thesaurus" https://smartdefine.org/sustaining/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, sustaining thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sustaining/thesaurus/synonyms>. |
| MLA | Smart Define. "sustaining thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/sustaining/thesaurus/synonyms> |