field day

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Apparently the idiomatic usage is derived from the "parade day" military use. A parade is much easier than the soldiers’ usual drilling and forced exercise.


field day (plural field days)

  1. (military) A parade day.
  2. A school day for athletic events; a sports day.
  3. A day of class taken away from school for a field trip.
  4. (idiomatic) A great time or a great deal to do.
    They went to the park and had a field day playing on the swings.
  5. (idiomatic) A great time or a great deal to do, at somebody else's expense.
    The reporters will have a field day with a comment like that.
    The scandal was a field day for the press.
  6. (US military, specifically US Navy, US Coast Guard and US Marine Corps) A day on which there is top-to-bottom all-hands cleaning.

Derived terms[edit]

  • have a field day (idiomatic)