134 entries under basic topic. ×
| foundational(adjective, simple, plain, base, pure) | |
| opening(adjective, head, beginning, original) | |
| overruling(adjective, importance, serious, essential) | |
| plain(adjective, simple, pure, straightforward) | |
| preparatory(adjective, introductory) | |
| significant(adjective, superior, big, unusual, important) | |
| constitutive(important, original, serious, prime) | |
| early(adjective, simple, head, beginning, original) | |
| embryonic(cause, simple, original, fundamental) | |
| indispensable(adjective, important, significant, original, serious) | |
| initiatory(opening, original, first, early) | |
| material(adjective, body, big, important, significant) | |
| necessary(adjective, body, material, big, important) | |
| ruling(adjective, excellent, important, head, significant) | |
| underived(adjective, rough, important, significant, original) | |
| abecedarian(adjective, simple, straightforward, fundamental) | |
| bottom(adjective, important, significant, original, essential) | |
| critical(adjective, big, important, significant, substantial) | |
| inherent(adjective, body, material, natural, animate) | |
| intrinsic(adjective, important, significant, original, essential) |
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| APA | Smart Define. (2016). primary thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/primary/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, primary thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>. |
| MLA | Smart Define. "primary thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms> |