octogenary

== English == === 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. === Pronunciation === (General American) IPA(key): /ɑkˈtɑ.d͡ʒəˌnɛr.i/ (Received Pronunciation) IPA(key): /ɒkˈtɒd͡ʒ.ɪ.nə.ri/ === Adjective === octogenary (not comparable) (obsolete) Of or related to the number 80, particularly Coordinate terms: unary, binary, ternary, trinary, tetranary, quintenary, hexanary, septenary, octonary, nonary, decenary, vicenary, tricenary, quadragenary, quinquagenary, semicentenary, sexagenary, septuagenary, nonagenary, centenary, millenary Synonym of octogenarian: lasting or aged 80 years; 80-year-old. === Noun === octogenary (plural octogenaries) (obsolete) Synonym of eightysomething: a person 80 to 89 years old. === References === “octogenary, adj. and n.”, in OED Online ⁠, Oxford: Oxford University Press, 2022. “octogenary”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.