80 entries under basic topic. ×
| primordial(important, significant, original, vital) | |
| principal(material, important, natural, original) | |
| rudimentary(important, significant, original, vital) | |
| structural(material, important, significant, natural) | |
| substratal(adjective, important, significant, original, essential) | |
| substrative(adjective, important, significant, original, essential) | |
| supporting(important, significant, original, vital) | |
| sustaining(important, significant, original, vital) | |
| theoretical(important, significant, original, vital) | |
| underived(adjective, important, significant, original, essential) | |
| underlined(important, essential, critical, fundamental) | |
| bottom line(expression, important, significant, essential) | |
| combining | |
| composing(essential, constituent) | |
| constituting | |
| deep(original, primary) | |
| division | |
| forming | |
| grassroots(important, significant, essential, vital) | |
| portion |
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| APA | Smart Define. (2016). integral thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/integral/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "integral thesaurus" https://smartdefine.org/integral/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, integral thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/integral/thesaurus/synonyms>. |
| MLA | Smart Define. "integral thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/integral/thesaurus/synonyms> |