| big(significant, substantial, valuable, vital, main) | |
| big-league(adjective, lead, head, master, boss) | |
| coat of arms(expression, idiom) | |
| conspicuous(adjective, great, big, wonderful, exceptional) | |
| coryphaeus | |
| crest | |
| elemental(adjective, essential, fundamental, key, principal) | |
| especial(adjective, extraordinary, superior, unusual, important) | |
| exceptional(adjective, bad, great, excellent, extraordinary) | |
| first key(adjective, most important) | |
| fore(adjective, rank, post, status, age) | |
| good | |
| heading | |
| hegemonic(adjective, lead, head, master, boss) | |
| hierarch(noun, person, over) | |
| higher-up(noun, superior, boss, leader, director) | |
| in chief(adjective, lead, head, master, boss) | |
| in the ascendant(expression, idiom) | |
| inescapable(adjective, most important) | |
| influencer |
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| APA | Smart Define. (2016). chief thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/chief/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "chief thesaurus" https://smartdefine.org/chief/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, chief thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/chief/thesaurus/synonyms>. |
| MLA | Smart Define. "chief thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/chief/thesaurus/synonyms> |