75 entries under significant topic. ×
| outstanding(adjective, bad, great, tough, top) | |
| essential(adjective, feature, state, characteristic, importance) | |
| influential(adjective, good, great, excellent, solid) | |
| major(adjective, top, fine, superior, big) | |
| capital(noun, adjective, quality, bad, tough) | |
| popular(adjective, good, great, knowledge, important) | |
| distinguished(adjective, great, top, fine, solid) | |
| key(adjective, important, head, beginning) | |
| powerful(adjective, good, strong, great, excellent) | |
| great(adjective, top, important, wonderful, famous) | |
| momentous(adjective, feature, state, characteristic, good) | |
| notable(adjective, great, excellent, solid, important) | |
| noted(adjective, great, solid, important, powerful) | |
| noteworthy(adjective, great, solid, important, powerful) | |
| overriding(adjective, feature, state, characteristic, important) | |
| celebrated(adjective, great, important, wonderful, famous) | |
| excellent(adjective, time, quality, great, top) | |
| fundamental(adjective, important, head, beginning) | |
| illustrious(adjective, great, solid, important, powerful) | |
| basic(adjective, important, head, beginning) |
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| APA | Smart Define. (2015). leading thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/leading/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "leading thesaurus" https://smartdefine.org/leading/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, leading thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/leading/thesaurus/synonyms>. |
| MLA | Smart Define. "leading thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/leading/thesaurus/synonyms> |