3
higher-up(noun, superior, boss, chief, manager)
3
indispensable(adjective, important, significant, original, serious)
3
inescapable(adjective, most important)
3
influencer
3
investment(noun, note, money, property, reserve)
3
large(adjective, big, significant, substantial, valuable)
3
lord(noun, superior, judge, master, boss)
3
man
3
matchless(adjective, bad, tough, top, perfect)
3
noticeable(adjective, wonderful, exceptional, marvelous, terrific)
3
numero uno
3
original(adjective, order, body, material, heavy)
3
point(noun, advance, start, top, advantage)
3
powerful
3
predominating(adjective, usual, main, universal, general)
3
principal sum(noun, expression, idiom)
3
property(noun, business, note, property, stock)
3
provost
3
remarkable(adjective, extraordinary, unusual, important, wonderful)
3
requisite(adjective, important, significant, original, capital)
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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>