138 entries under chief topic. ×

10
president(noun, guide, head, master, boss)
10
vital(adjective, body, great, importance, material)
9
captain(noun, guide, head, master, boss)
9
governor(noun, control, manage, guide, head)
9
manager(noun, guide, head, master, boss)
9
protagonist(noun, person, advance, start, character)
9
significant(adjective, good, great, big, important)
9
supervisor(noun, head, boss, leader)
8
grand(adjective, lead, fine, important, head)
8
preeminent(adjective, order, bad, great, tough)
8
ruler(noun, person, guide, head, master)
8
stellar(adjective, great, tough, top, heavy)
7
greatest(adjective, bad, tough, top, excellent)
7
momentous(adjective, good, bad, great, excellent)
7
necessary(adjective, body, material, big, important)
6
champion(adjective, order, bad, character, tough)
6
controlling(adjective, top, superior, important, head)
6
crucial(adjective, great, big, important, significant)
6
focal(adjective, key, focus, foremost)
6
great(adjective, bad, excellent, superior, big)
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APASmart Define. (2016). principal thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/principal/thesaurus/synonyms
ChicagoSmart Define. 2016. "principal thesaurus" https://smartdefine.org/principal/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, principal thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/principal/thesaurus/synonyms>.
MLASmart Define. "principal thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/principal/thesaurus/synonyms>