58 entries under basic topic. ×
| fundamental(noun, adjective, cause, start, base) | |
| elementary(adjective, property, important, significant, original) | |
| underlying(adjective, important, original, vital) | |
| root(noun, verb, adjective, support, quality) | |
| foundational(adjective, important, significant, original) | |
| radical(adjective, important, significant, original, essential) | |
| nub(noun, adjective, quality, cause, start) | |
| primary(adjective, important, significant, original, essential) | |
| basal(adjective, important, significant, original, essential) | |
| deep(adjective, low, original, primary) | |
| bottom line(noun, expression, idiom, character, spirit) | |
| axiological(important, significant, original, vital) | |
| axiomatic(important, significant, original, vital) | |
| bottom-line(adjective, important, significant, original, essential) | |
| cardinal(adjective, important, significant, original, essential) | |
| central(important, significant, original, vital) | |
| constitutional(important, significant, original, vital) | |
| constitutive(important, significant, original, vital) | |
| crucial(adjective, important, significant, original, essential) | |
| elemental(adjective, important, significant, original, essential) |
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| APA | Smart Define. (2016). bottom thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bottom/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "bottom thesaurus" https://smartdefine.org/bottom/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, bottom thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bottom/thesaurus/synonyms>. |
| MLA | Smart Define. "bottom thesaurus" 2 March 2016. Web. 20 September 2026. <https://smartdefine.org/bottom/thesaurus/synonyms> |