1
arch(adjective, rank, post, status, age)
1
beginning
1
big
1
dependent
1
dominant(adjective, rank, post, status, age)
1
elderborn(adjective, rank, post, status, age)
1
elderly
1
entailed
1
executive(adjective, rank, post, status, age)
1
father
1
first among siblings(expression, idiom)
1
first born(adjective, rank, post, status, age)
1
fore(adjective, rank, post, status, age)
1
gross(adjective, rank, post, status, age)
1
head(adjective, rank, post, status, age)
1
high(adjective, rank, post, status, age)
1
high-ranking(adjective, rank, post, status, age)
1
high ranking(adjective, rank, post, status, age)
1
higher(adjective, rank, post, status, age)
1
highest(adjective, rank, post, status, age)
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APASmart Define. (2015). eldest thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/eldest/thesaurus/synonyms
ChicagoSmart Define. 2015. "eldest thesaurus" https://smartdefine.org/eldest/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, eldest thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/eldest/thesaurus/synonyms>.
MLASmart Define. "eldest thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/eldest/thesaurus/synonyms>