123 entries under basic topic. ×
| structural(important, significant, original, vital) | |
| substrative(important, significant, original, vital) | |
| supporting(important, significant, original, vital) | |
| sustaining(important, significant, original, vital) | |
| theoretical(important, significant, original, vital) | |
| uncompleted(simple, fundamental) | |
| uncomplex(adjective, simple, straightforward, undemanding) | |
| underivative(simple, first, unsophisticated, previous) | |
| underived(simple, important, significant, original) | |
| undeveloped(simple, fundamental, unsophisticated, imperfect) | |
| vestigial(simple, fundamental, unsophisticated) | |
| all-important(adjective, significant, essential, vital) | |
| binding(adjective, significant, essential, vital) | |
| bottom line(expression, important, significant, essential) | |
| child's play(adjective, simple) | |
| compelling(adjective, significant, essential, vital) | |
| compulsory(adjective, significant, essential, vital) | |
| concealed(adjective, original, fundamental, primary) | |
| de rigueur(expression, adjective, significant, essential) | |
| decisive(adjective, significant, essential, vital) |
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| APA | Smart Define. (2015). elementary thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/elementary/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "elementary thesaurus" https://smartdefine.org/elementary/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, elementary thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/elementary/thesaurus/synonyms>. |
| MLA | Smart Define. "elementary thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/elementary/thesaurus/synonyms> |