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