93 entries under basic topic. ×
| bottom line(expression, important, significant, essential) | |
| concealed(adjective, original, fundamental, hidden) | |
| deep(original, primary) | |
| deep-seated(original, primary) | |
| hidden(adjective, original, fundamental, primary) | |
| latent(adjective, original, fundamental, hidden) | |
| lurking(adjective, original, fundamental, hidden) | |
| natural(material, living, functional, nuclear) | |
| nub(adjective, original, fundamental, primary) | |
| predominant(key, main, chief, foremost) | |
| root(adjective, original, fundamental, hidden) | |
| rooter(fundamental, latent) | |
| veiled(adjective, original, fundamental, hidden) |
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Necessary on
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| APA | Smart Define. (2015). necessary thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/necessary/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "necessary thesaurus" https://smartdefine.org/necessary/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, necessary thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/necessary/thesaurus/synonyms>. |
| MLA | Smart Define. "necessary thesaurus" 2 November 2015. Web. 20 September 2026. <https://smartdefine.org/necessary/thesaurus/synonyms> |