103 entries under important topic. ×

4
ruling(adjective, top, excellent, fine, superior)
4
special(adjective, superior, unusual, exceptional)
3
significant(adjective, superior, unusual, rank)
2
elemental(adjective, significant, opening, original)
2
exalted(high, worthy, notable, lofty)
2
notable(adjective, good, great, excellent)
2
noted(adjective, good, great, excellent, fine)
2
stellar(adjective, quality, top, superior)
2
underlying(adjective, rough, significant, original)
2
vital(adjective, top, significant, original)
1
axiological(significant, original, basic, vital)
1
axiomatic(significant, original, basic, vital)
1
basal(original, serious, basic, prime)
1
bottom(significant, original, basic, vital)
1
bottom-line(significant, original, basic, vital)
1
constitutional(adjective, top, significant, original)
1
constitutive(significant, original, serious, basic)
1
crucial(adjective, significant, original, basic)
1
foundational(significant, opening, original, basic)
1
governing(adjective, superior, powerful, prominent)
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APASmart Define. (2016). first thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/first/thesaurus/synonyms
ChicagoSmart Define. 2016. "first thesaurus" https://smartdefine.org/first/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, first thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/first/thesaurus/synonyms>.
MLASmart Define. "first thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/first/thesaurus/synonyms>