82 entries under adjective topic. ×
| germinal(beginning, original, early, promising) | |
| head(noun, start, beginning, original) | |
| headmost(head, beginning, original, prime) | |
| in the beginning(expression, idiom, head, beginning) | |
| inceptive(head, beginning, original, prime) | |
| initiating | |
| key(head, beginning, original, prime) | |
| lead off(expression, head, beginning, prime) | |
| leading(head, beginning, original, best) | |
| least(head, beginning, original, prime) | |
| numero uno(expression, head, beginning, prime) | |
| pioneer(head, beginning, original, prime) | |
| pioneering(addition, establishment, introduction, preface) | |
| preceding | |
| preparative | |
| primeval(head, beginning, original, prime) | |
| primitive(head, beginning, original, prime) | |
| primogenial(head, beginning, original, prime) | |
| primordial(head, beginning, original, prime) | |
| prior |
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| APA | Smart Define. (2016). opening thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/opening/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "opening thesaurus" https://smartdefine.org/opening/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, opening thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/opening/thesaurus/synonyms>. |
| MLA | Smart Define. "opening thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/opening/thesaurus/synonyms> |