1
gross(adjective, rank, post, status, age)
1
head(adjective, rank, post, status, age)
1
heir
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)
1
hight(adjective, rank, post, status, age)
1
junior(adjective, rank, post, status, age)
1
leading(adjective, rank, post, status, age)
1
most significant(adjective, rank, post, status, age)
1
older person
1
principal(adjective, rank, post, status, age)
1
significant(adjective, rank, post, status, age)
1
snapper(adjective, rank, post, status, age)
0
autochthon
0
born earlier
0
earlier(senior, oldest)
0
earliest
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APASmart Define. (2015). first-born thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/first-born/thesaurus/synonyms
ChicagoSmart Define. 2015. "first-born thesaurus" https://smartdefine.org/first-born/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, first-born thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/first-born/thesaurus/synonyms>.
MLASmart Define. "first-born thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/first-born/thesaurus/synonyms>