74 entries under vital topic. ×
| grass-roots(adjective, important, significant, original, essential) | |
| heavy(adjective, great, tough, severe, important) | |
| indispensable(adjective, important, significant, original, essential) | |
| integral(adjective, important, significant, original, essential) | |
| intrinsic(adjective, important, significant, original, essential) | |
| meat-and-potatoes(adjective, important, significant, original, essential) | |
| menacing(adjective, tough, severe, unpleasant, important) | |
| necessary(adjective, important, significant, original, essential) | |
| original(adjective, important, significant, essential, basic) | |
| primitive(adjective, important, significant, original, essential) | |
| primordial(adjective, important, significant, original, essential) | |
| requisite(adjective, important, significant, original, essential) | |
| rudimentary(adjective, important, significant, original, essential) | |
| structural(important, significant, original, basic) | |
| substratal(adjective, important, significant, original, essential) | |
| substrative(adjective, important, significant, original, essential) | |
| supporting(adjective, important, significant, original, essential) | |
| sustaining(adjective, important, significant, original, essential) | |
| theoretical(adjective, important, significant, original, essential) | |
| threatening(adjective, tough, severe, unpleasant, heavy) |
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| APA | Smart Define. (2015). major thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/major/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "major thesaurus" https://smartdefine.org/major/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, major thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/major/thesaurus/synonyms>. |
| MLA | Smart Define. "major thesaurus" 6 July 2015. Web. 29 September 2026. <https://smartdefine.org/major/thesaurus/synonyms> |