89 entries under important topic. ×

3
material(adjective, relevant)
3
meaningful(adjective, substantial, serious, essential)
3
needful(adjective, significant, capital, essential)
3
number one(expression, adjective, quality, lead, superior)
3
outstanding(adjective, significant, essential, prominent)
3
primordial(adjective, head, significant, beginning)
3
requisite(adjective, significant, original, essential)
2
bottom-line(adjective, significant, original, essential)
2
constitutional(adjective, significant, original, basic)
2
focal(significant, key, main, chief)
2
greatest(adjective, tough, superior, heavy)
2
integral(significant, original, essential, critical)
2
intrinsic(adjective, significant, original, essential)
2
original(adjective, head, significant, beginning)
2
primitive(adjective, head, significant, beginning)
2
serious
1
axiological(significant, original, basic, vital)
1
axiomatic(significant, original, basic, vital)
1
bottom(adjective, significant, original, essential)
1
coal-and-ice(essential, critical, basic, fundamental)
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APASmart Define. (2015). cardinal thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/cardinal/thesaurus/synonyms
ChicagoSmart Define. 2015. "cardinal thesaurus" https://smartdefine.org/cardinal/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, cardinal thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/cardinal/thesaurus/synonyms>.
MLASmart Define. "cardinal thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/cardinal/thesaurus/synonyms>