138 entries under chief topic. ×

3
higher-up(noun, superior, boss, manager)
3
indispensable(adjective, important, significant, original, serious)
3
lord(noun, superior, judge, master, boss)
3
matchless(adjective, bad, tough, top, perfect)
3
original(adjective, order, body, material, heavy)
3
unparalleled(adjective, bad, tough, top, perfect)
3
unrivaled(adjective, bad, tough, top, perfect)
2
directing(adjective, free, master, prime, absolute)
2
guru(noun, superior, guide, judge, master)
2
heavy(noun, adjective, order, advance, start)
2
imperative(adjective, big, important, significant, substantial)
2
officer(noun, guide, head, master, boss)
2
overbearing(adjective, free, top, superior, powerful)
2
particular(adjective, unusual, exceptional, special, key)
2
special(adjective, bad, great, excellent, extraordinary)
2
taskmaster(noun, superior, judge, boss, leader)
2
unequaled(adjective, bad, tough, top, perfect)
2
urgent(adjective, great, big, significant, substantial)
1
VIP(superior, head, boss, manager)
1
ascendant(adjective, free, top, superior, powerful)
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APASmart Define. (2016). principal thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/principal/thesaurus/synonyms
ChicagoSmart Define. 2016. "principal thesaurus" https://smartdefine.org/principal/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, principal thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/principal/thesaurus/synonyms>.
MLASmart Define. "principal thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/principal/thesaurus/synonyms>