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Noun edit

active duty (uncountable)

  1. (military) A state in which person in the military performs military duties on a full-time basis, as opposed to reserve, where one only occasionally performs military duties.
    Coordinate term: reserve
    Sandie, the naval officer, left work because she had been called to active duty.

Usage notes edit

Generally preceded by the prepositions on or to.

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Further reading edit