72 entries under great topic. ×

22
chief(adjective, significant, essential, basic)
21
signal(adjective, outstanding, characteristic, extraordinary)
21
powerful(adjective, strong, effective, influential, characteristic)
20
main(adjective, significant, essential, basic, characteristic)
20
remarkable(adjective, notable, importance, outstanding)
19
impressive(adjective, bad, strong, excellent)
18
illustrious(adjective, famous, prominent, eminent)
17
conspicuous(adjective, extraordinary, unusual, famous)
17
grand(adjective, importance, notable, characteristic)
17
meaningful(adjective, significant, substantial, strong, big)
16
well-known(adjective, famous, eminent, excellent)
16
dominant(adjective, significant, essential, main, characteristic)
15
superior(adjective, exceptional, worthy, bad)
14
celebrated(adjective, excellent, exceptional, bad)
14
heavy(adjective, deep, essential, critical, weighty)
14
noted(adjective, prominent, famous, outstanding)
11
exceptional(adjective, bad, excellent, extraordinary)
10
extraordinary(adjective, outstanding, worthy, unusual)
10
special(adjective, bad, excellent, superior)
9
memorable(adjective, importance, unusual, lively)
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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>