69 entries under essential topic. ×

1
prerequisite(adjective, important, significant, critical)
1
primary(adjective, important, significant, original)
1
prime(adjective, important, significant, original)
1
primitive(adjective, important, significant, original)
1
principal(adjective, important, significant, original)
1
quintessential(adjective, significant, basic, vital)
1
radical(adjective, important, significant, original)
1
required(adjective, important, significant, critical)
1
significant(adjective, important, original, critical)
1
specified(adjective, significant, basic, vital)
1
substratal(adjective, important, significant, original)
1
substrative(adjective, important, significant, original)
1
unavoidable(adjective, significant, basic, vital)
1
underived(adjective, important, significant, original)
1
underlined(adjective, important, critical, basic)
1
urgent(adjective, important, significant, critical)
1
vital(adjective, important, significant, original)
1
wanted(adjective, significant, basic, vital)
0
binding(adjective, significant, basic, vital)
0
coal and ice(expression, adjective, idiom, important)
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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>