63 entries under important topic. ×

1
prime(adjective, significant, original, essential)
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primitive(adjective, significant, original, essential)
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primordial(adjective, significant, original, basic)
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principal(adjective, significant, original, essential)
1
radical(adjective, significant, original, essential)
1
required(adjective, significant, essential, critical)
1
rudimentary(adjective, significant, original, basic)
1
significant(adjective, original, essential, critical)
1
structural(adjective, significant, original, basic)
1
substratal(adjective, significant, original, essential)
1
substrative(adjective, significant, original, essential)
1
supporting(adjective, significant, original, basic)
1
sustaining(adjective, significant, original, basic)
1
theoretical(adjective, significant, original, basic)
1
underived(adjective, significant, original, essential)
1
underlined(adjective, essential, critical, basic)
1
underlying(adjective, original, basic, vital)
1
urgent(adjective, significant, essential, critical)
1
vital(adjective, significant, original, essential)
0
coal and ice(expression, adjective, idiom, essential)
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APASmart Define. (2011). bottom-line thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/bottom-line/thesaurus/synonyms
ChicagoSmart Define. 2011. "bottom-line thesaurus" https://smartdefine.org/bottom-line/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2011, bottom-line thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/bottom-line/thesaurus/synonyms>.
MLASmart Define. "bottom-line thesaurus" 29 May 2011. Web. 25 September 2026. <https://smartdefine.org/bottom-line/thesaurus/synonyms>