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Anniversary vs Undefined - What's the difference?

anniversary | undefined |

As a noun anniversary

is 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.

As an adjective undefined is

lacking a definition or value.

anniversary

English

(wikipedia anniversary)

Noun

(anniversaries)
  • 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.
    • Today is the fiftieth anniversary of the end of the war.
  • (loosely) 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).
  • * 1984 , ‘Never Mind the Tranquil Facade’, Time , 27 Feb 1984:
    • The occasion was the six-month anniversary of the Aug. 8 coup that brought General Óscar Humberto Mejía Victores to power.
  • * 2002 , ‘Politics this Week’, The Economist , 14 Mar 2002:
    • 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.
  • * 2006 , DB Schrock, Soulmonger Dot Com , p. 28:
    • Jonathon proposed to his mom on their three-month anniversary of meeting and married her on their fourth.
  • (more specifically) Such, where the event is a wedding.
    • We are celebrating our tenth anniversary today.

    Synonyms

    *

    See also

    * birthday

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined