68 entries under prime topic. ×
| indispensable(important, significant, original, serious, basic) | |
| maximal(adjective, top, excellent, fine, superior) | |
| maximum(adjective, excellent, fine, outstanding, prominent) | |
| most important(expression, adjective, top, outstanding, prominent) | |
| outside(adjective, top, excellent, fine, superior) | |
| top-drawer(adjective, top, excellent, fine, superior) | |
| unrivaled(adjective, bad, tough, top, perfect) | |
| upper(adjective, top, excellent, fine, superior) |
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| APA | Smart Define. (2016). first thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/first/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "first thesaurus" https://smartdefine.org/first/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, first thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/first/thesaurus/synonyms>. |
| MLA | Smart Define. "first thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/first/thesaurus/synonyms> |