60 entries under important topic. ×

1
axiological(adjective, significant, original, essential)
1
axiomatic(significant, original, basic, vital)
1
basal(material, natural, original, basic)
1
bottom(significant, original, basic, vital)
1
bottom-line(adjective, significant, original, essential)
1
coal-and-ice(essential, critical, basic, fundamental)
1
crucial(significant, serious, essential, critical)
1
decisive(significant, serious, essential, critical)
1
first(significant, original, basic, vital)
1
foundational(adjective, significant, original, essential)
1
grass-roots(adjective, significant, original, essential)
1
heavy(essential, critical, basic, fundamental)
1
life-or-death(essential, critical, basic, fundamental)
1
major(significant, original, basic, vital)
1
meat-and-potatoes(adjective, significant, original, essential)
1
name(essential, critical, basic, fundamental)
1
name-of-the-game(essential, critical, basic, fundamental)
1
nitty-gritty(essential, critical, basic, fundamental)
1
original(material, significant, natural, basic)
1
paramount(significant, original, basic, vital)
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APASmart Define. (2016). integral thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/integral/thesaurus/synonyms
ChicagoSmart Define. 2016. "integral thesaurus" https://smartdefine.org/integral/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, integral thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/integral/thesaurus/synonyms>.
MLASmart Define. "integral thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/integral/thesaurus/synonyms>