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n. The annually recurring date of a past event, especially one of historical, national, or personal importance: a wedding anniversary; the anniversary of the founding of Rome.

n. A celebration commemorating such a date.

n. Of a significant event, a day that is an exact number of years (to the day) since the event occurred. Often preceded by an ordinal number indicating the number of years that have elapsed since the event.

n. A day subsequent in time to a given event by some (especially significant) factor other than a year (especially as prefixed by the amount of time in question).

n. Such, where the event is a wedding.

adj. Returning with the year, at a stated time; annual; yearly.

n. The annual return of the day on which any notable event took place, or is wont to be celebrated.

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.

n. The celebration which takes place on an anniversary day.

Returning with the revolution of the year; annual; yearly: as, an anniversary feast.

In the University of Cambridge, commemoration-day, an occasion upon which degrees are conferred since the disuse of the acts. See act, n., 5.

n. The annually recurring date of some past event; more generally, a day set apart in each year for some commemorative observance; a day for the annual celebration of some notable event, public or private.

n. In the Roman Catholic Church, the yearly commemoration of the day of a person's death, by a mass offered for his soul, or such commemoration of his death daily for a year.

n. The act of celebrating a day on its annual recurrence; a yearly commemoration, or (rarely) something done or prepared for such commemoration.

n. the date on which an event occurred in some previous year (or the celebration of it)

"The timing of this anniversary is another wonderful quirk in Michigan State's dream run to the national title game in 2009, that it would come exactly three decades after Magic and Bird changed the face of their game with their classic rivalry."

day   

anniversary day    birthday   

semicentenary    triennial    birthday    tercentenary    wedding anniversary    bimillenary    semicentennial    quatercentennial    quincentenary    centennial   

annual    yearly    mind day    centenary    centennial    triennial    quadrennial    quinquennial    sextennial    septennial   

cursory    nursery   

birthday    celebration    commemoration    wed    edition    b.c    inst    psalm    eve    milestone