75 entries under significant topic. ×
| lofty(adjective, fine, important, noble) | |
| exalted(adjective, great, fine, important) | |
| impressive(adjective, strong, fine, important, powerful) | |
| noble(adjective, solid, important, powerful, outstanding) | |
| pivotal(adjective, feature, state, characteristic, important) | |
| radical(importance, important, sophisticated, main) | |
| remarkable(adjective, great, excellent, solid, important) | |
| consequential(adjective, good, important, powerful) | |
| effective(adjective, strong, important, powerful, outstanding) | |
| focal(important, key, main, chief) | |
| puissant(adjective, fine, important, grand) | |
| salient(adjective, important, wonderful, exceptional, marvelous) | |
| superlative(adjective, bad, tough, top, fine) | |
| august(adjective, great, fine, important) | |
| fine(adjective, top, excellent, superior, important) | |
| high-minded(adjective, fine, important, noble) | |
| honorable(adjective, fine, important, noble) | |
| name(strong, important, powerful, famous) | |
| regal(adjective, fine, important, grand) | |
| serious(adjective, good, important, powerful) |
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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> |