- Definitions|0
- Thesaurus|222
- Abbreviations|0
44 entries under extremely significant topic. ×
| grand(adjective, lead, importance, head, master) | |
| big(adjective, importance, valuable, main, notable) | |
| great(adjective, importance, valuable, main, notable) | |
| impressive(adjective, importance, valuable, main, notable) | |
| influential(adjective, importance, valuable, main, notable) | |
| key(adjective, lead, importance, head, master) | |
| material(adjective, importance, valuable, main, notable) | |
| momentous(adjective, importance, valuable, main, notable) | |
| substantial(adjective, importance, valuable, main, notable) | |
| bigwig(adjective, importance, valuable, main, notable) | |
| consequential(adjective, importance, valuable, main, notable) | |
| earnest(adjective, importance, valuable, main, notable) | |
| essential(adjective, importance, valuable, main, notable) | |
| grave(adjective, importance, valuable, main, notable) | |
| outstanding(adjective, importance, valuable, main, notable) | |
| remarkable(adjective, importance, valuable, main, notable) | |
| serious(adjective, importance, valuable, main, notable) | |
| vital(adjective, importance, valuable, main, notable) | |
| weighty(adjective, importance, valuable, main, notable) | |
| big time(adjective, importance, main) |
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| APA | Smart Define. (2015). big-league thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/big-league/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "big-league thesaurus" https://smartdefine.org/big-league/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, big-league thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/big-league/thesaurus/synonyms>. |
| MLA | Smart Define. "big-league thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/big-league/thesaurus/synonyms> |