46 entries under elementary topic. ×

1
sustaining(adjective, important, significant, original, essential)
1
theoretical(adjective, important, significant, original, essential)
1
underived(adjective, rough, important, significant, fresh)
1
vital(adjective, important, significant, original, essential)
0
capital(adjective, essential, fundamental, key, principal)
0
chief(adjective, essential, fundamental, key, principal)
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APASmart Define. (2011). substratal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/substratal/thesaurus/synonyms
ChicagoSmart Define. 2011. "substratal thesaurus" https://smartdefine.org/substratal/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2011, substratal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/substratal/thesaurus/synonyms>.
MLASmart Define. "substratal thesaurus" 24 May 2011. Web. 22 September 2026. <https://smartdefine.org/substratal/thesaurus/synonyms>