17
conspicuous(adjective, great, extraordinary, unusual, famous)
17
grand(adjective, importance, notable, characteristic, great)
17
meaningful(adjective, significant, substantial, strong, big)
17
pressing(adjective, vital, weighty, crucial, tough)
16
well-known(adjective, famous, eminent, great, excellent)
16
decisive(adjective, characteristic, feature, severe, importance)
16
dominant(adjective, significant, essential, main, characteristic)
16
paramount(adjective, significant, essential, critical, basic)
16
relevant(adjective, characteristic, appropriate, substantial, useful)
16
salient(adjective, significant, essential, main, characteristic)
15
effective(adjective, influential, characteristic, strong, influence)
15
imperative(adjective, serious, essential, critical, vital)
15
superior(adjective, exceptional, worthy, bad, great)
15
valuable(adjective, characteristic, useful, ample, priceless)
14
celebrated(adjective, great, excellent, exceptional, bad)
14
heavy(adjective, deep, essential, critical, weighty)
14
historic(adjective, remarkable, momentous, characteristic, importance)
14
noted(adjective, prominent, great, famous, outstanding)
14
portentous(adjective, importance, valuable, main, exciting)
14
prime(adjective, significant, essential, basic, vital)
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APASmart Define. (2016). important thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/important/thesaurus/synonyms
ChicagoSmart Define. 2016. "important thesaurus" https://smartdefine.org/important/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, important thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/important/thesaurus/synonyms>.
MLASmart Define. "important thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/important/thesaurus/synonyms>