92 entries under primary topic. ×
| central(adjective, top, important, significant, original) | |
| first off(verb, expression, adjective, adverb, phrasal verb) | |
| prominent(adjective, important, outstanding, head, essential) | |
| ruling(adjective, top, excellent, fine, superior) | |
| commencing(adjective, beginning, opening, original) | |
| crowning(adjective, excellent, fine, outstanding, prominent) | |
| germinal(adjective, beginning, opening, original) | |
| important(adjective, significant, original, serious, essential) | |
| nascent(adjective, beginning, opening, original) | |
| preceding(adjective, adverb, lower, opening, basic) | |
| significant(adjective, superior, unusual, important, rank) | |
| incomparable(adjective, good, bad, great, tough) | |
| infant(adjective, beginning, opening, original) | |
| matchless(adjective, bad, tough, top, perfect) | |
| peerless(adjective, good, bad, great, tough) | |
| prior(adjective, lower, opening, basic, old) | |
| stellar(adjective, quality, top, superior, important) | |
| transcendent(adjective, good, bad, great, tough) | |
| underlying(adjective, rough, important, significant, original) | |
| unequaled(adjective, bad, tough, top, perfect) |
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| APA | Smart Define. (2016). first thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/first/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "first thesaurus" https://smartdefine.org/first/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, first thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/first/thesaurus/synonyms>. |
| MLA | Smart Define. "first thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/first/thesaurus/synonyms> |