- Definitions|3
- Thesaurus|567
- Abbreviations|0
133 entries under adjective topic. ×
| fundamental(simple, plain, important, straightforward) | |
| basic(simple, plain, base, important) | |
| essential(simple, plain, important, significant) | |
| primary(simple, plain, base, important) | |
| elementary(simple, plain, important, significant) | |
| elemental(simple, plain, important, significant) | |
| cardinal(noun, important, significant, original) | |
| radical(base, important, significant, last) | |
| rudimentary(simple, plain, important, significant) | |
| inherent(essential, basic, absolute, fundamental) | |
| basal(simple, plain, base, important) | |
| intrinsic(important, significant, original, essential) | |
| primitive(simple, plain, important, significant) | |
| bottom(noun, important, significant, original) | |
| hidden(fundamental, latent) | |
| prime(important, significant, original, essential) | |
| principal(important, significant, original, essential) | |
| crucial(important, significant, original, essential) | |
| foundational(simple, plain, base, important) | |
| vital(top, important, significant, original) |
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| APA | Smart Define. (2015). underlying thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/underlying/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "underlying thesaurus" https://smartdefine.org/underlying/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, underlying thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/underlying/thesaurus/synonyms>. |
| MLA | Smart Define. "underlying thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/underlying/thesaurus/synonyms> |