quinquagenary
[ kwin-kwah-juh-ner-ee, kwing- ]
noun,plural quin·quag·e·nar·ies.
a 50th anniversary.
Origin of quinquagenary
11580–90; <Latin quīnquāgēnārius containing fifty, equivalent to quīnquāgēn(ī) fifty each + -ārius-ary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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