63 entries under prime topic. ×

5
leading(adjective, important, head, significant, beginning)
4
beginning(noun, adjective, start, simple, plain)
4
capital(adjective, important, essential, vital)
4
dominant(adjective, top, important, significant, usual)
4
incipient(adjective, head, beginning, opening, original)
4
primeval(adjective, harsh, violent, head, beginning)
3
inceptive(adjective, head, beginning, opening, original)
3
pristine(adjective, rough, violent, head, beginning)
3
underived(adjective, simple, rough, important, original)
2
foremost(adjective, important, significant, original, essential)
2
inaugural(adjective, head, beginning, opening, original)
2
primogenial(adjective, head, beginning, opening, original)
1
ahead(adjective, head, beginning, opening, original)
1
antecedent(noun, adjective, support, action, base)
1
anterior(adjective, head, beginning, opening, original)
1
early(adjective, simple, rough, head, beginning)
1
first off(expression, adjective, head, beginning)
1
front(adjective, head, beginning, opening, original)
1
head(adjective, beginning, opening, original)
1
headmost(adjective, head, beginning, opening, original)
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APASmart Define. (2016). fundamental thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/fundamental/thesaurus/synonyms
ChicagoSmart Define. 2016. "fundamental thesaurus" https://smartdefine.org/fundamental/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, fundamental thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/fundamental/thesaurus/synonyms>.
MLASmart Define. "fundamental thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/fundamental/thesaurus/synonyms>