Dictionary

sexagenarian

noun sex·a·ge·nar·i·an \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

Origin of SEXAGENARIAN

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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