64 entries under vital topic. ×
| momentous(adjective, good, bad, great, excellent) | |
| elementary(adjective, top, original, essential, basic) | |
| significant(adjective, good, superior, unusual, important) | |
| grave(head, significant, imperative) | |
| serious(significant, basic, prime, imperative) | |
| substantial(adjective, significant, imperative) | |
| considerable(significant, imperative) | |
| heavy(quality, tough, superior, significant, prime) | |
| indispensable(adjective, important, original, serious, capital) | |
| influential(adjective, significant, usual, chief) | |
| large(adjective, significant, imperative) | |
| conspicuous(adjective, wonderful, exceptional, marvelous, significant) | |
| constitutional(adjective, top, essential, basic, prime) | |
| exceptional(adjective, bad, great, excellent, superior) | |
| imperative(important, significant, capital, essential) | |
| initial(adjective, top, important, original, prominent) | |
| marked(adjective, superior, unusual, wonderful, exceptional) | |
| material(adjective, good, important, powerful, significant) | |
| primitive(adjective, top, original, essential, basic) | |
| salient(adjective, important, wonderful, exceptional, marvelous) |
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| APA | Smart Define. (2016). main thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/main/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "main thesaurus" https://smartdefine.org/main/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, main thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/main/thesaurus/synonyms>. |
| MLA | Smart Define. "main thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/main/thesaurus/synonyms> |