24 entries under importance topic. ×
| momentous(adjective, important, main, extremely significant) | |
| significant(adjective, important, main, remarkable) | |
| notable(adjective, main, remarkable, momentous) | |
| consequential(adjective, important, main, remarkable) | |
| outstanding(adjective, main, remarkable, momentous) | |
| big(adjective, important, main, extremely significant) | |
| substantial(adjective, important, main, extremely significant) | |
| material(adjective, important, main, extremely significant) | |
| meaningful(adjective, important, main, extremely significant) | |
| serious(adjective, important, main, extremely significant) | |
| weighty(adjective, main, extremely significant) | |
| great(adjective, main, extremely significant) | |
| impressive(adjective, main, extremely significant) | |
| considerable(adjective, important, main, extremely significant) | |
| key(adjective, important, main, extremely significant) | |
| vital(adjective, important, main, extremely significant) | |
| big-league(adjective, main, extremely significant) | |
| essential(adjective, main, extremely significant) | |
| fateful(adjective, main, extremely significant) | |
| grand(adjective, main, extremely significant) |
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| APA | Smart Define. (2016). historic thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/historic/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "historic thesaurus" https://smartdefine.org/historic/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, historic thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/historic/thesaurus/synonyms>. |
| MLA | Smart Define. "historic thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/historic/thesaurus/synonyms> |