anniversary
noun
- day that commemorates or celebrates a past event that occurred on the same day of the year, time of year or year as the initial event
- honor with memorial, be a memorial
Wiktionary
Pronunciation: /ˌænɪˈvɜːs(ə)ɹi/ / /ˌanɪˈvəːs(ə)ɹi/ / /ˌænɪˈvɝs(ə)ɹi/
noun
Etymology: From Middle English anniversary, from Medieval Latin anniversāria (diēs), anniversārium, from anniversārius (“yearly”), from annus (“year”) + versus, past participle of vertere (“to turn”).
- A day that is an exact number of years (to the day) since a given significant event occurred. Often preceded by an ordinal number indicating the number of years.
“Today is the fiftieth anniversary of the end of the war.”
- A day that is an exact number of years (to the day) since a given significant event occurred. Often preceded by an ordinal number indicating the number of years.
“We are celebrating our tenth anniversary today.”
- A day subsequent in time to a given event by some significant period other than a year (especially as prefixed by the amount of time in question).
“The occasion was the six-month anniversary of the Aug. 8 coup that brought General Óscar Humberto Mejía Victores to power.”
“In a thinly veiled threat to Saddam Hussein, President George Bush marked the six-month anniversary of September 11th by reiterating America's commitment to prevent rogue countries obtaining weapons of mass destruction.”