5
flagship(adjective, lead, head, master, boss)
5
general(adjective, lead, guide, head, usual)
5
head teacher(noun, expression, idiom)
5
headman(noun, control, manage, boss, leader)
5
headmistress(noun, master)
5
heroine
5
incomparable(adjective, bad, tough, top, perfect)
5
leading man
5
owner(noun, superior, judge, boss, leader)
5
peerless(adjective, bad, tough, top, perfect)
5
starring
5
superstar(lead, heavy, worthy, kingpin, linchpin)
5
top dog(noun, expression, idiom, superior, boss)
5
topmost(adjective, top, excellent, fine, superior)
5
underlying(adjective, important, significant, original, essential)
5
wealth(noun, business, note, property, stock)
4
agent(noun, control, person, manage, boss)
4
authority(noun, control, manage, master, boss)
4
basal(adjective, body, lead, material, important)
4
base(noun, adjective, part, lead, head)
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APASmart Define. (2016). principal thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/principal/thesaurus/synonyms
ChicagoSmart Define. 2016. "principal thesaurus" https://smartdefine.org/principal/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, principal thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/principal/thesaurus/synonyms>.
MLASmart Define. "principal thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/principal/thesaurus/synonyms>