67 entries under prime topic. ×
| highest(adjective, serious, essential, key) | |
| incomparable(adjective, essential, fundamental, key) | |
| maximum(adjective, essential, fundamental, key) | |
| overruling(adjective, serious, essential, main) | |
| preeminent(adjective, opening, original, serious, essential) | |
| prominent(adjective, essential, key, main) | |
| transcendent(adjective, essential, fundamental, key) |
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| APA | Smart Define. (2015). basic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/basic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "basic thesaurus" https://smartdefine.org/basic/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, basic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/basic/thesaurus/synonyms>. |
| MLA | Smart Define. "basic thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/basic/thesaurus/synonyms> |