124 entries under significant topic. ×
| importunate(adjective, big, important, substantial) | |
| intrinsic(adjective, important, natural, original) | |
| large(big, substantial, valuable, imperative) | |
| marked(big, substantial, valuable, imperative) | |
| mattering much(expression, big, substantial, valuable) | |
| meat-and-potatoes(adjective, important, original, essential) | |
| of moment(expression, big, important, substantial) | |
| of note(expression, adjective, big, substantial) | |
| of substance(expression, big, substantial, valuable) | |
| original(adjective, body, material, important) | |
| perilous(adjective, heavy, serious, acute) | |
| ponderous(big, substantial, valuable, imperative) | |
| primordial(adjective, important, original, essential) | |
| salient(big, substantial, valuable, earnest) | |
| standout(big, substantial, valuable, imperative) | |
| structural(material, important, natural, original) | |
| substratal(adjective, important, original, essential) | |
| substrative(adjective, important, original, essential) | |
| supporting(adjective, important, original, essential) | |
| sustaining(adjective, important, original, essential) |
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| APA | Smart Define. (2015). vital thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/vital/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "vital thesaurus" https://smartdefine.org/vital/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, vital thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/vital/thesaurus/synonyms>. |
| MLA | Smart Define. "vital thesaurus" 2 November 2015. Web. 28 September 2026. <https://smartdefine.org/vital/thesaurus/synonyms> |