79 entries under fundamental topic. ×
| heart(noun, good, part, quality, understanding) | |
| nitty-gritty(noun, adjective, good, end, quality) | |
| gravamen(noun, law, effect, heart, essence) | |
| bottom(noun, adjective, quality, cause, start) | |
| nubbin(noun, essence, core, nut) | |
| root(noun, adjective, quality, body, cause) | |
| essential(noun, adjective, original, heart, basic) | |
| basic(noun, adjective, emotion, original, essential) | |
| key(adjective, basic, absolute, central) | |
| material(adjective, basic, absolute, key) | |
| underlying(adjective, original, basic, absolute) | |
| ABCs(support, substance, authority, effect, essence) | |
| basal(adjective, original, basic, absolute) | |
| cardinal(adjective, original, basic, absolute) | |
| coal and ice(noun, expression, idiom, emotion, heart) | |
| cold(adjective, basic, absolute, key) | |
| complete(adjective, basic, absolute, key) | |
| congenital(adjective, basic, absolute, key) | |
| connate(adjective, basic, absolute, key) | |
| critical(adjective, original, basic, primary) |
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| APA | Smart Define. (2015). nub thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/nub/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "nub thesaurus" https://smartdefine.org/nub/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, nub thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/nub/thesaurus/synonyms>. |
| MLA | Smart Define. "nub thesaurus" 24 October 2015. Web. 27 September 2026. <https://smartdefine.org/nub/thesaurus/synonyms> |