<p><strong>Noun</strong></p><ul><li>an·ni·ver·sa·ries: the yearly recurrence of the date of a past event: the tenth anniversary of their marriage.</li><li>the celebration or commemoration of such a date.</li><li>wedding anniversary.</li></ul><p><strong>Adjective</strong></p><ul><li>returning or recurring each year; annual.</li><li>pertaining to an anniversary: anniv.</li><li>an anniversary gift.</li></ul><p><strong>End of Response</strong></p>