58 entries under basic topic. ×
| structural(important, significant, original, vital) | |
| substratal(adjective, important, significant, original, essential) | |
| substrative(important, significant, original, vital) | |
| supporting(adverb, important, inferior, significant, down) | |
| sustaining(important, significant, original, vital) | |
| theoretical(important, significant, original, vital) | |
| ultimate(noun, adjective, top, edge, essence) | |
| underived(important, significant, original, vital) | |
| vital(adjective, important, significant, original, essential) | |
| concealed(adjective, original, fundamental, hidden) | |
| critical(adjective, original, fundamental, hidden) | |
| deep-seated(original, primary) | |
| hidden(adjective, original, fundamental, primary) | |
| latent(adjective, original, fundamental, hidden) | |
| lurking(adjective, original, fundamental, hidden) | |
| needful(adjective, original, fundamental, hidden) | |
| rooter(fundamental, latent) | |
| veiled(adjective, original, fundamental, hidden) |
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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> |