96 entries under head topic. ×

8
preeminent(adjective, order, bad, great, tough)
8
ruler(noun, person, guide, master)
8
ruling(adjective, excellent, superior, important)
7
greatest(adjective, bad, tough, top, excellent)
7
primal(adjective, lead, master, boss)
6
champion(adjective, order, bad, character, tough)
6
controlling(adjective, top, superior, important)
6
honcho(noun, boss, leader, chief)
6
preceptor(noun, person, superior, judge)
5
best(adjective, top, excellent, lead, important)
5
core(adjective, lead, importance, master)
5
eminent(adjective, good, bad, great, excellent)
5
flagship(adjective, lead, master, boss)
5
general(adjective, lead, guide, usual)
4
basal(adjective, body, lead, material, important)
4
base(noun, adjective, part, lead)
4
crowning(adjective, top, excellent, fine, superior)
4
maximum(adjective, top, excellent, fine, superior)
4
overseer(noun, boss, leader, chief)
3
CEO(noun, superior, boss, chief)
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APASmart Define. (2016). principal thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/principal/thesaurus/synonyms
ChicagoSmart Define. 2016. "principal thesaurus" https://smartdefine.org/principal/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, principal thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/principal/thesaurus/synonyms>.
MLASmart Define. "principal thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/principal/thesaurus/synonyms>