89 entries under primary topic. ×

7
pioneer(noun, adjective, pronoun, start, head)
6
elemental(adjective, body, simple, plain, material)
6
foremost(adjective, order, beginning, opening, prime)
6
infant(adjective, beginning, opening, first)
6
nascent(adjective, beginning, opening, first)
6
underived(adjective, important, significant, fresh, essential)
5
essential(adjective, characteristic, body, simple, plain)
4
basal(adjective, body, simple, plain, material)
4
commencing(adjective, beginning, opening, first)
4
foundational(adjective, simple, plain, important, significant)
4
initiatory(adjective, beginning, opening, first)
4
underlying(adjective, simple, plain, important, significant)
3
antediluvian(adjective, last, past, primitive)
3
former(noun, last, past, primitive)
3
headmost(adjective, order, heavy, head, beginning)
3
premier(adjective, order, heavy, head, beginning)
3
principal(adjective, order, body, material, heavy)
3
raw(adjective, new, hot, natural, fresh)
2
antecedent(noun, adjective, fake, copy, model)
2
antiquated(last, past, first, venerable)
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APASmart Define. (2016). original thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/original/thesaurus/synonyms
ChicagoSmart Define. 2016. "original thesaurus" https://smartdefine.org/original/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, original thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/original/thesaurus/synonyms>.
MLASmart Define. "original thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/original/thesaurus/synonyms>