quinquagenary

== English == === Etymology === From Latin quīnquāgēnārius (“containing 50”), either directly or via French quinquagénaire, from Latin quīnquāgēnus (“50 each”) + -ārius (“-ary”), from quīnquāgintā (“five tens, fifty”). Cognate with quinquagenarian and quingenary. === Pronunciation === (General American) IPA(key): /kwɪŋˈkwæd͡ʒəˌnɛɹi/, /ˌkwɪŋkwəˈd͡ʒɛnəɹi/ (Received Pronunciation) IPA(key): /ˌkwɪŋkwəˈd͡ʒiːn(ə)ɹi/, /ˌkwɪŋkwəˈd͡ʒɛn(ə)ɹi/, /kwɪŋˈkwæd͡ʒɪn(ə)ri/ === Noun === quinquagenary (plural quinquagenaries) (obsolete, rare) Synonym of pentecoster: an officer who commands 50 men. A 50-year anniversary. === Adjective === quinquagenary (not comparable) Synonym of quinquagenarian: Of or related to fiftysomethings. Of or related to 50-year anniversaries. === References === “quinquagenary, n. and adj.”, in OED Online ⁠, Oxford: Oxford University Press, 2022.