quinquagenary

[kwin-kwah-juh-ner-ee, kwing-]

noun

plural

quinquagenaries 

1. a 50th anniversary.

Word History and Origins

Origin of quinquagenary¹

1580–90; < Latin quīnquāgēnārius containing fifty, equivalent to quīnquāgēn ( ī ) fifty each + -ārius -ary

Example Sentences

Terribly anxious for the last two weeks, and wounded by Melchior's silence, the duchess herself dictated Philoxene's letter to her cousin, and the moment she had read the answer, rather too explicit for her quinquagenary vanity, she sent for the banker and made close inquiries as to the exact fortune of Monsieur Mignon.

From Project Gutenberg