6
ranking(adjective, top, high, over, up)
6
sire(noun, master)
6
veteran(noun, adjective, tired, gray, mature)
5
captain(noun, master)
5
director(noun, superior, head, master, boss)
5
doyen(noun, person, principal, autochthon)
5
doyenne(noun, person, autochthon)
5
first-born(noun, adjective, person, rank, post)
5
star(noun, adjective, master)
5
undergraduate(noun, junior, scholar, learner, apprentice)
4
advanced(adjective, new, better, finer)
4
executive(noun, adjective, rank, master, post)
4
freshman(noun, junior, learner)
4
governing(adjective, master)
4
governor(noun, master)
4
higher-ranking(adjective, top, high, over, up)
4
kingpin(noun, master)
4
lord(noun, master)
4
more advanced(expression, adjective, idiom, good, better)
4
predecessor
10 years ago|14k views|share |citing 
APASmart Define. (2016). senior thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/senior/thesaurus/synonyms
ChicagoSmart Define. 2016. "senior thesaurus" https://smartdefine.org/senior/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, senior thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/senior/thesaurus/synonyms>.
MLASmart Define. "senior thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/senior/thesaurus/synonyms>