122 entries under principal topic. ×
| outstanding(adjective, great, excellent, superior, important) | |
| premier(adjective, top, lead, superior, important) | |
| crucial(adjective, important, significant, original, capital) | |
| head(adjective, top, lead, superior, important) | |
| prevailing(adjective, outstanding, usual, prominent, prime) | |
| critical(adjective, significant, original, essential, vital) | |
| necessary(adjective, important, significant, original, capital) | |
| grand(adjective, lead, fine, important, head) | |
| master(adjective, top, lead, superior, important) | |
| preeminent(adjective, bad, great, top, excellent) | |
| star(adjective, bad, great, excellent, lead) | |
| arch(adjective, top, lead, superior, important) | |
| big(adjective, important, significant, vital) | |
| controlling(adjective, outstanding, essential, prominent, prime) | |
| focal(adjective, important, significant, key, chief) | |
| great(adjective, bad, excellent, important, wonderful) | |
| prominent(adjective, good, important, wonderful, famous) | |
| superior(adjective, quality, bad, great, top) | |
| momentous(adjective, good, bad, great, excellent) | |
| number one(expression, adjective, quality, bad, great) |
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| APA | Smart Define. (2016). main thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/main/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "main thesaurus" https://smartdefine.org/main/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, main thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/main/thesaurus/synonyms>. |
| MLA | Smart Define. "main thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/main/thesaurus/synonyms> |