- Definitions|1
- Thesaurus|113
- Abbreviations|0
32 entries under fundamental topic. ×
| required(adjective, significant, essential, basic, vital) | |
| requisite(adjective, significant, essential, basic, vital) | |
| specified(adjective, significant, essential, basic, vital) | |
| unavoidable(adjective, significant, essential, basic, vital) | |
| urgent(adjective, significant, essential, basic, vital) | |
| wanted(adjective, significant, essential, basic, vital) | |
| basic(adjective, significant, essential, vital) | |
| bottom line(expression, decisive, imperative) | |
| cardinal(adjective, significant, essential, basic, vital) | |
| elementary(adjective, significant, essential, basic, vital) | |
| prime(adjective, significant, essential, basic, vital) | |
| principal(adjective, significant, essential, basic, vital) |
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| APA | Smart Define. (2015). incumbent on thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/incumbent_on/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "incumbent on thesaurus" https://smartdefine.org/incumbent_on/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, incumbent on thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/incumbent_on/thesaurus/synonyms>. |
| MLA | Smart Define. "incumbent on thesaurus" 8 May 2015. Web. 1 October 2026. <https://smartdefine.org/incumbent_on/thesaurus/synonyms> |