85 entries under significant topic. ×
| bottom-line(important, original, basic, vital) | |
| constitutional(adjective, close, top, important) | |
| constitutive(important, original, serious, basic) | |
| decisive(important, critical, vital, fundamental) | |
| foundational(important, original, basic, vital) | |
| grass-roots(important, original, basic, vital) | |
| meat-and-potatoes(important, original, basic, vital) | |
| momentous(important, critical, vital, decisive) | |
| pressing(adjective, important, critical, vital) | |
| structural(important, original, basic, vital) | |
| substratal(important, original, essential, basic) | |
| substrative(important, original, basic, vital) | |
| supporting(important, original, basic, vital) | |
| sustaining(important, original, basic, vital) | |
| theoretical(important, original, basic, vital) | |
| underived(important, original, basic, vital) | |
| urgent(adjective, important, critical, vital) | |
| big(vital, imperative) | |
| bottom line(expression, important, essential, basic) | |
| considerable(vital, imperative) |
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| APA | Smart Define. (2015). central thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/central/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "central thesaurus" https://smartdefine.org/central/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, central thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/central/thesaurus/synonyms>. |
| MLA | Smart Define. "central thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/central/thesaurus/synonyms> |