103 entries under significant topic. ×
| primary(adjective, position, top, lead, fine) | |
| principal(adjective, good, bad, great, position) | |
| chief(adjective, quality, bad, great, position) | |
| prime(adjective, good, quality, lead, superior) | |
| paramount(adjective, good, quality, position, top) | |
| leading(adjective, good, quality, great, position) | |
| foremost(adjective, great, position, top, lead) | |
| essential(adjective, importance, important, basic) | |
| cardinal(noun, adjective, quality, position, top) | |
| important(adjective, good, bad, great, excellent) | |
| major(adjective, bad, great, top, excellent) | |
| capital(noun, adjective, quality, bad, great) | |
| dominant(adjective, quality, bad, great, top) | |
| central(adjective, lead, important, head) | |
| key(adjective, lead, important, head) | |
| basic(adjective, top, important, essential) | |
| fundamental(adjective, important, usual, essential) | |
| predominant(adjective, bad, great, excellent, important) | |
| vital(adjective, top, importance, important) | |
| outstanding(adjective, great, excellent, superior, important) |
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| APA | Smart Define. (2016). main thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/main/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "main thesaurus" https://smartdefine.org/main/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, main thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/main/thesaurus/synonyms>. |
| MLA | Smart Define. "main thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/main/thesaurus/synonyms> |