5
elder(adjective, rank, post, status, age)
5
older(adjective, rank, post, status, age)
5
senior(noun, adjective, person, rank, post)
4
eldest(adjective, rank, post, status, age)
3
major(adjective, rank, post, status, age)
3
sire
3
superior(adjective, rank, post, status, age)
3
uppermost(adjective, rank, post, status, age)
2
dean
2
first(adjective, rank, post, status, age)
2
first born(expression, adjective, idiom, rank, post)
2
former(senior, oldest)
1
arch(adjective, rank, post, status, age)
1
chief(adjective, rank, post, status, age)
1
dominant(adjective, rank, post, status, age)
1
doyen
1
elderborn(adjective, rank, post, status, age)
1
executive(adjective, rank, post, status, age)
1
father
1
fore(adjective, rank, post, status, age)
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APASmart Define. (2015). first-born thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/first-born/thesaurus/synonyms
ChicagoSmart Define. 2015. "first-born thesaurus" https://smartdefine.org/first-born/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, first-born thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/first-born/thesaurus/synonyms>.
MLASmart Define. "first-born thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/first-born/thesaurus/synonyms>