138 entries under significant topic. ×
| integral(adjective, important, original, essential) | |
| intrinsic(adjective, important, original, essential) | |
| meat-and-potatoes(adjective, important, original, essential) | |
| menacing(adjective, tough, severe, unpleasant, important) | |
| necessary(adjective, important, original, essential) | |
| original(adjective, important, essential, basic) | |
| primitive(adjective, important, original, essential) | |
| primordial(adjective, important, original, essential) | |
| requisite(adjective, important, original, essential) | |
| rudimentary(adjective, important, original, essential) | |
| structural(important, original, basic, vital) | |
| substratal(adjective, important, original, essential) | |
| substrative(adjective, important, original, essential) | |
| supporting(adjective, important, original, essential) | |
| sustaining(adjective, important, original, essential) | |
| talented(adjective, fine, important, famous) | |
| theoretical(adjective, important, original, essential) | |
| threatening(adjective, tough, severe, unpleasant, heavy) | |
| underived(adjective, important, original, essential) | |
| underlying(adjective, important, original, essential) |
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| APA | Smart Define. (2015). major thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/major/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "major thesaurus" https://smartdefine.org/major/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, major thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/major/thesaurus/synonyms>. |
| MLA | Smart Define. "major thesaurus" 6 July 2015. Web. 25 September 2026. <https://smartdefine.org/major/thesaurus/synonyms> |