70 entries under primary topic. ×
| substratal(adjective, simple, plain, important, significant) | |
| supreme(adjective, outstanding, head, prominent, prime) | |
| arch(adjective, important, outstanding, head, prominent) | |
| axiological(adjective, important, significant, original, basic) | |
| axiomatic(important, significant, original, basic, vital) | |
| bottom(noun, adjective, important, significant, original) | |
| bottom-line(adjective, important, significant, original, critical) | |
| controlling(adjective, outstanding, prominent, prime, core) | |
| grass-roots(adjective, important, significant, original, basic) | |
| greatest(adjective, outstanding, head, prominent, prime) | |
| highest(adjective, outstanding, head, prominent, prime) | |
| incomparable(adjective, outstanding, head, prominent, prime) | |
| maximum(adjective, outstanding, head, prominent, prime) | |
| meat-and-potatoes(adjective, important, significant, original, critical) | |
| preeminent(adjective, outstanding, head, prominent, prime) | |
| prominent(adjective, important, outstanding, head, prime) | |
| ruling(adjective, important, significant, serious, prominent) | |
| substrative(adjective, important, significant, original, basic) | |
| superior(adjective, important, outstanding, head, prominent) | |
| supporting(important, significant, original, basic, vital) |
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| APA | Smart Define. (2016). essential thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/essential/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "essential thesaurus" https://smartdefine.org/essential/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, essential thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/essential/thesaurus/synonyms>. |
| MLA | Smart Define. "essential thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/essential/thesaurus/synonyms> |