75 entries under important topic. ×
| theoretical(significant, original, basic, vital) | |
| underived(significant, original, basic, vital) | |
| urgent(adjective, significant, critical, vital) | |
| all-consuming | |
| bottom line(expression, significant, essential, basic) | |
| eternal | |
| hot | |
| major-league | |
| meaningful(significant, vital, fundamental, imperative) | |
| meat and potatoes(expression, idiom, significant, vital) | |
| mere | |
| monumental | |
| sacred | |
| sacrosanct | |
| world-shaking |
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| APA | Smart Define. (2015). central thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/central/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "central thesaurus" https://smartdefine.org/central/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, central thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/central/thesaurus/synonyms>. |
| MLA | Smart Define. "central thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/central/thesaurus/synonyms> |