noun \ˌsek-sə-jə-ˈner-ē-ən\

: a person who is between 60 and 69 years old

Full Definition of SEXAGENARIAN

:  a person whose age is in the sixties
sexagenarian adjective


Latin sexagenarius of or containing sixty, sixty years old, from sexageni sixty each, from sexaginta sixty, from sex six + -ginta (akin to Latin viginti twenty) — more at six, vigesimal
First Known Use: 1738


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Previous Word in the Dictionary: sexadecimal (noun)
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