/ Dictionary / Index A anniversary: Meaning and Definition of Find definitions for: an•ni•ver•sa•ry Pronunciation: (an"u-vûr'su-rē), [key] — n., pl. adj. -ries, —n. the yearly recurrence of the date of a past event: the tenth anniversary of their marriage. the celebration or commemoration of such a date. See —adj. returning or recurring each year; annual. pertaining to an anniversary:anniv. an anniversary gift. Abbr.: Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: anniversary (Thesaurus) anniv. anniversary reaction Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language