Synonyms|140Antonyms|4|Broader|0Narrower|0Related|115
5
older(adjective, senior)
4
first(adjective, aged, senior, eldest)
4
elder(noun, adjective, person)
4
eldest(noun, adjective, senior)
4
predecessor
4
senior
3
dean
3
doyen
2
earliest(adjective, aged)
2
former
2
old
2
original(adjective, aged)
2
sire
1
major
1
after
1
ancient
1
before
1
excellence
1
father
1
highly
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APASmart Define. (2015). oldest thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/oldest/thesaurus/synonyms
ChicagoSmart Define. 2015. "oldest thesaurus" https://smartdefine.org/oldest/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, oldest thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/oldest/thesaurus/synonyms>.
MLASmart Define. "oldest thesaurus" 31 December 2015. Web. 20 September 2026. <https://smartdefine.org/oldest/thesaurus/synonyms>