34 entries under original topic. ×
| opening(adjective, head, beginning, prime) | |
| pioneer(adjective, head, beginning, opening) | |
| premier(adjective, head, beginning, opening) | |
| primary(adjective, head, beginning, opening) | |
| prime(adjective, head, beginning, opening) | |
| primeval(adjective, head, beginning, opening) | |
| primitive(adjective, head, beginning, opening) | |
| primogenial(adjective, head, beginning, opening) | |
| primordial(adjective, head, beginning, opening) | |
| pristine(adjective, head, beginning, opening) | |
| rudimentary(adjective, head, beginning, opening) | |
| supreme(adjective, end, last, extreme) | |
| advanced(adjective, opening, primary, foremost) | |
| former(adjective, opening, past, primary) |
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| APA | Smart Define. (2015). least thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/least/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "least thesaurus" https://smartdefine.org/least/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, least thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/least/thesaurus/synonyms>. |
| MLA | Smart Define. "least thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/least/thesaurus/synonyms> |