- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
| absolute(noun, adjective, rule, certain, essential) | |
| assumption(noun, law, support, regulation, action) | |
| bare(adjective, pure) | |
| chaste(adjective, pure) | |
| clear(adjective, simple, pure, straightforward, basic) | |
| cohesive(adjective, simple, whole, united) | |
| coincident(adjective, simple, whole, united) | |
| congruent(adjective, simple, whole, united) | |
| congruous(adjective, simple, whole, united) | |
| deep-seated(adjective, characteristic, original, fixed, essential) | |
| essence(noun, support, action, cause, start) | |
| fixed | |
| fundamental frequency(noun, expression, idiom) | |
| gist | |
| grounds | |
| guts(noun, part, informal, condition, essence) | |
| hereditary(adjective, intrinsicality) | |
| inceptive(adjective, head, beginning, opening, original) | |
| ingredient(noun, drop, part, material, essential) | |
| inherited(adjective, intrinsicality) |
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| APA | Smart Define. (2016). fundamental thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fundamental/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fundamental thesaurus" https://smartdefine.org/fundamental/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, fundamental thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fundamental/thesaurus/synonyms>. |
| MLA | Smart Define. "fundamental thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/fundamental/thesaurus/synonyms> |