70 entries under vital topic. ×

1
primary(adjective, important, significant, original, essential)
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prime(adjective, important, significant, original, essential)
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primitive(adjective, important, significant, original, essential)
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primordial(adjective, important, significant, original, basic)
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principal(adjective, important, significant, original, essential)
1
quintessential(adjective, significant, essential, basic)
1
radical(adjective, important, significant, original, essential)
1
required(adjective, important, significant, essential, critical)
1
rudimentary(adjective, important, significant, original, basic)
1
significant(adjective, important, original, essential, critical)
1
specified(adjective, significant, essential, basic)
1
structural(adjective, important, significant, original, basic)
1
substratal(adjective, important, significant, original, essential)
1
substrative(adjective, important, significant, original, essential)
1
supporting(adjective, important, significant, original, basic)
1
sustaining(adjective, important, significant, original, basic)
1
theoretical(adjective, important, significant, original, basic)
1
unavoidable(adjective, significant, essential, basic)
1
underived(adjective, important, significant, original, essential)
1
underlying(adjective, important, original, basic)
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APASmart Define. (2011). bottom-line thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/bottom-line/thesaurus/synonyms
ChicagoSmart Define. 2011. "bottom-line thesaurus" https://smartdefine.org/bottom-line/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2011, bottom-line thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/bottom-line/thesaurus/synonyms>.
MLASmart Define. "bottom-line thesaurus" 29 May 2011. Web. 29 September 2026. <https://smartdefine.org/bottom-line/thesaurus/synonyms>