91 entries under original topic. ×
| first off(verb, expression, adjective, adverb, phrasal verb) | |
| commencing(adjective, beginning, opening, primary) | |
| embryonic(adjective, beginning, opening, previous) | |
| genuine(adjective, previous, initial) | |
| germinal(adjective, beginning, opening, primary) | |
| important(adjective, significant, serious, essential) | |
| inceptive(adjective, order, beginning, opening) | |
| nascent(adjective, beginning, opening, primary) | |
| prototypical | |
| significant(adjective, superior, unusual, important, rank) | |
| elemental(adjective, important, significant, opening) | |
| infant(adjective, beginning, opening, primary) | |
| innovative(adjective, leading-edge, pioneering, trailblazing) | |
| novel(adjective, leading-edge, pioneering, trailblazing) | |
| precursor(noun, epitome, prototype, paradigm) | |
| underlying(adjective, rough, important, significant) | |
| vital(adjective, top, important, significant) | |
| axiological(important, significant, basic, vital) | |
| axiomatic(important, significant, basic, vital) | |
| basal(important, serious, basic, prime) |
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| APA | Smart Define. (2016). first thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/first/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "first thesaurus" https://smartdefine.org/first/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, first thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/first/thesaurus/synonyms>. |
| MLA | Smart Define. "first thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/first/thesaurus/synonyms> |