320 entries under adjective topic. ×
| supreme(outstanding, head, prominent, prime) | |
| outstanding(great, excellent, superior, important) | |
| pre-eminent | |
| premier(top, lead, superior, important) | |
| crucial(important, significant, original, capital) | |
| head(top, lead, superior, important) | |
| overriding(important, significant, serious, prime) | |
| prevailing(outstanding, usual, prominent, prime) | |
| critical(significant, original, essential, vital) | |
| necessary(important, significant, original, capital) | |
| grand(lead, fine, important, head) | |
| master(top, lead, superior, important) | |
| most important(expression, idiom) | |
| pivotal(important, significant, serious, basic) | |
| preeminent(bad, great, top, excellent) | |
| staple(lead, head, master, basic) | |
| star(bad, great, excellent, lead) | |
| arch(top, lead, superior, important) | |
| big(important, significant, vital, principal) | |
| controlling(outstanding, essential, prominent, prime) |
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| APA | Smart Define. (2016). main thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/main/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "main thesaurus" https://smartdefine.org/main/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, main thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/main/thesaurus/synonyms>. |
| MLA | Smart Define. "main thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/main/thesaurus/synonyms> |