octogenary

/ɑkˈtɑ.d͡ʒəˌnɛr.i/

octogenary · adj — of or related to the number 80, particularly.

Definition from Wiktionary (CC BY-SA 3.0).

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octogenary is pronounced /ɑkˈtɑ.d͡ʒəˌnɛr.i/.

Etymology

From Latin octōgēnārius (“containing 80”) either directly or via French octogénaire, from Latin octōgēnus (“80 each”) + -ārius (“-ary”), from octōgintā (“eight tens, 80”). Cognate with octogenarian.

adj

Of or related to the number 80, particularly
Of or related to the number 80, particularly; Synonym of octogenarian: lasting or aged 80 years; 80-year-old.e.g.“[…] he went to visit him, being then octogenary, and very decrepid with the gowt, but had his sight and understanding.” — a. 1697, John Aubrey, “......De Laune”, in Brief Lives:

noun

Synonym of eightysomething: a person 80 to 89 years old.

Definitions & examples from Wiktionary (CC BY-SA 3.0).