octogenarian

noun

oc·​to·​ge·​nar·​i·​an ˌäk-tə-jə-ˈner-ē-ən 

: a person whose age is in the eighties

The octogenarian uses a cane for walking.

octogenarian adjective

Examples of octogenarian in a Sentence

Recent Examples on the Web

Her only friend is a wild octogenarian named Pinky (Jacki Weaver). —Georg Szalai, The Hollywood Reporter, 20 Oct. 2024

Absent that meltdown, both candidates will leave the debate stage far better than that octogenarian. —Philip Elliott, TIME, 10 Sep. 2024

Asked which actors would draw them to a theater, moviegoers’ top 20 choices included two octogenarians and no one under 35. —Marc Fisher, Washington Post, 19 June 2024

That showdown between a septuagenarian and an octogenarian, however, was still able to outdraw Patrick Mahomes versus Josh Allen in the AFC Divisional Round (50.3 million). —Lev Akabas, Sportico.com, 11 Sep. 2024

Word History

Etymology

Latin octogenarius containing eighty, from octogeni eighty each, from octoginta eighty, from octo eight + -ginta (akin to viginti twenty) — more at vigesimal

First Known Use

1815, in the meaning defined above

Kids Definition

octogenarian

noun

oc·​to·​ge·​nar·​i·​an ˌäk-tə-jə-ˈner-ē-ən 

: a person whose age is between 80 and 89

Medical Definition

octogenarian

noun

oc·​to·​ge·​nar·​i·​an ˌäk-tə-jə-ˈner-ē-ən 

: a person whose age is in the eighties

octogenarian adjective