- Definitions|0
- Thesaurus|189
- Abbreviations|0
46 entries under important topic. ×
| fundamental(adjective, clear, simple, plain, pure) | |
| basic(adjective, simple, base, pure) | |
| basal(adjective, simple, base, pure) | |
| elementary(adjective, simple, pure, straightforward) | |
| radical(adjective, base, last, original) | |
| underlying(adjective, simple, base, straightforward) | |
| bottom(adjective, significant, original, basic) | |
| primary(adjective, simple, base, pure) | |
| elemental(adjective, simple, pure, straightforward) | |
| original(adjective, simple, opening, straightforward) | |
| prime(adjective, pure, significant, original) | |
| essential(adjective, simple, plain, pure) | |
| primitive(adjective, simple, straightforward, original) | |
| rudimentary(adjective, simple, straightforward, original) | |
| bottom-line(adjective, significant, original, essential) | |
| meat-and-potatoes(adjective, base, significant, fresh) | |
| substratal(adjective, simple, plain, significant) | |
| axiological(adjective, significant, original, essential) | |
| axiomatic(adjective, significant, original, basic) | |
| cardinal(adjective, significant, original, basic) |
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| APA | Smart Define. (2015). foundational thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/foundational/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "foundational thesaurus" https://smartdefine.org/foundational/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, foundational thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/foundational/thesaurus/synonyms>. |
| MLA | Smart Define. "foundational thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/foundational/thesaurus/synonyms> |