active duty

== English == === Noun === active duty (uncountable) (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 ==== Generally preceded by the prepositions on or to. ==== Derived terms ==== active-duty ==== Translations ==== === Further reading === “active duty”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.