69 entries under chief topic. ×
| vital(adjective, top, importance, important, serious) | |
| critical(key, earnest, insistent, persuasive) | |
| crucial(adjective, important, serious, capital, essential) | |
| male lead(noun, head, master, boss) | |
| necessary(adjective, important, serious, capital, essential) | |
| original(adjective, order, heavy, head, beginning) | |
| unrivaled(adjective, bad, tough, top, perfect) | |
| core(serious, basic, prime, key) | |
| particular(key, foremost) |
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| APA | Smart Define. (2015). leading thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/leading/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "leading thesaurus" https://smartdefine.org/leading/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, leading thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/leading/thesaurus/synonyms>. |
| MLA | Smart Define. "leading thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/leading/thesaurus/synonyms> |