130 entries under importance topic. ×

16
decisive(adjective, characteristic, feature, severe)
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
superior(adjective, exceptional, worthy, bad, great)
15
valuable(adjective, characteristic, useful, ample, priceless)
14
historic(adjective, remarkable, momentous, characteristic)
14
noted(adjective, prominent, great, famous, outstanding)
14
portentous(adjective, valuable, main, exciting)
14
prime(adjective, significant, essential, basic, vital)
13
cardinal(adjective, essential, significant, basic, vital)
12
indispensable(adjective, characteristic, significant, significance)
11
seminal(adjective, characteristic, outstanding, significant)
10
extraordinary(adjective, outstanding, worthy, great, unusual)
10
fundamental(adjective, significant, essential, basic, main)
10
potent(adjective, powerful, effective, strong, eminent)
10
supreme(adjective, characteristic, significance, greatness)
10
worthy(adjective, useful, comfortable, wealth, safe)
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APASmart Define. (2016). important thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/important/thesaurus/synonyms
ChicagoSmart Define. 2016. "important thesaurus" https://smartdefine.org/important/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, important thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/important/thesaurus/synonyms>.
MLASmart Define. "important thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/important/thesaurus/synonyms>