56 entries under primary topic. ×

1
paramount(adjective, important, significant, original, essential)
1
premier(adjective, head, beginning, fresh, prime)
1
principal(adjective, important, significant, original, essential)
1
requisite(adjective, important, significant, original, essential)
1
significant(adjective, important, original, essential, basic)
1
structural(important, significant, original, basic, vital)
1
substratal(adjective, rough, important, significant, original)
1
substrative(adjective, important, significant, original, essential)
1
supporting(adjective, important, significant, original, essential)
1
sustaining(adjective, important, significant, original, essential)
1
underived(adjective, rough, important, significant, original)
1
underlying(adjective, rough, important, significant, original)
1
vital(adjective, important, significant, original, essential)
0
deep(original, basic)
0
deep-seated(original, basic)
0
preeminent(extraordinary, superior, fantastic, original)
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APASmart Define. (2015). primordial thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/primordial/thesaurus/synonyms
ChicagoSmart Define. 2015. "primordial thesaurus" https://smartdefine.org/primordial/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, primordial thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/primordial/thesaurus/synonyms>.
MLASmart Define. "primordial thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/primordial/thesaurus/synonyms>