- (a.) Returning with the year, at a stated time; annual; yearly; as, an anniversary feast.
- (n.) The annual return of the day on which any notable event took place or is wont to be celebrated; as, the anniversary of the Declaration of Independence.
- (n.) The celebration which takes place on an anniversary day.
- (n.) The day on which Mass is said yearly for the soul of a deceased person; the commemoration of some sacred event, as the dedication of a church or the consecration of a pope.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). anniversary. Retrieved September 24, 2026, from http://smartdefine.org/anniversary/definitions/1974047 |
| Chicago | Webster's. 2011. "anniversary" http://smartdefine.org/anniversary/definitions/1974047 (accessed September 24, 2026). |
| Harvard | Webster's 2011, anniversary, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/anniversary/definitions/1974047>. |
| MLA | Webster's. "anniversary" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/anniversary/definitions/1974047> |