68 entries under outstanding topic. ×
| well-known(adjective, famous, eminent, great, excellent) | |
| salient(adjective, significant, essential, main, characteristic) | |
| effective(adjective, influential, characteristic, strong, influence) | |
| superior(adjective, exceptional, worthy, bad, great) | |
| celebrated(adjective, great, excellent, exceptional, bad) | |
| heavy(adjective, deep, essential, critical, weighty) | |
| historic(adjective, remarkable, momentous, characteristic, importance) | |
| noted(adjective, prominent, great, famous) | |
| esteemed(adjective, characteristic, useful, beneficial, feature) | |
| exceptional(adjective, great, bad, excellent, extraordinary) | |
| seminal(adjective, characteristic, importance, significant) | |
| extraordinary(adjective, worthy, great, unusual) | |
| potent(adjective, powerful, effective, strong, eminent) | |
| memorable(adjective, great, importance, unusual, lively) | |
| distinctive(adjective, characteristic, importance, worthy) | |
| first-class(adjective, characteristic, informal, importance) | |
| noble(adjective, prominent, loud, eminent, influential) | |
| preeminent(adjective, great, eminent, bad) | |
| renowned(adjective, great, big, famous) | |
| eventful(adjective, bad, great, excellent, extraordinary) |
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| APA | Smart Define. (2016). important thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/important/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "important thesaurus" https://smartdefine.org/important/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, important thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/important/thesaurus/synonyms>. |
| MLA | Smart Define. "important thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/important/thesaurus/synonyms> |