12 entries under senior topic. ×

5
older
4
first(adjective, aged, eldest)
4
eldest(noun, adjective)
2
former
0
earlier
0
first-born
0
lower
0
most senior
0
of a former period(expression, idiom)
0
of an earlier time(expression, idiom)
0
preceding
0
prior
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APASmart Define. (2015). oldest thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/oldest/thesaurus/synonyms
ChicagoSmart Define. 2015. "oldest thesaurus" https://smartdefine.org/oldest/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, oldest thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/oldest/thesaurus/synonyms>.
MLASmart Define. "oldest thesaurus" 31 December 2015. Web. 25 September 2026. <https://smartdefine.org/oldest/thesaurus/synonyms>