57 entries under weighty topic. ×

20
main(adjective, significant, essential, basic, characteristic)
20
remarkable(adjective, notable, importance, outstanding, great)
19
impressive(adjective, bad, strong, great, excellent)
18
illustrious(adjective, famous, prominent, eminent, great)
18
primary(adjective, significant, substantial, essential, basic)
17
meaningful(adjective, significant, substantial, strong, big)
17
pressing(adjective, vital, crucial, tough)
16
paramount(adjective, significant, essential, critical, basic)
15
superior(adjective, exceptional, worthy, bad, great)
14
celebrated(adjective, great, excellent, exceptional, bad)
14
heavy(adjective, deep, essential, critical)
14
noted(adjective, prominent, great, famous, outstanding)
11
seminal(adjective, characteristic, importance, outstanding, significant)
10
telling(adjective, strong, energetic, powerful, significant)
9
noble(adjective, prominent, loud, eminent, influential)
9
renowned(adjective, great, big, famous, outstanding)
8
famed(adjective, famous, outstanding, significant, critical)
7
far-reaching(adjective, characteristic, feature, severe, importance)
5
capital(adjective, bad, great, excellent, fine)
5
commanding(adjective, fine, significant, grand, critical)
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APASmart Define. (2016). important thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/important/thesaurus/synonyms
ChicagoSmart Define. 2016. "important thesaurus" https://smartdefine.org/important/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, important thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/important/thesaurus/synonyms>.
MLASmart Define. "important thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/important/thesaurus/synonyms>