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Adjective operational has 4 senses
  1. operational - pertaining to a process or series of actions for achieving a result; "operational difficulties"; "they assumed their operational positions"
  2. functional, usable, useable, in working order, operable, operational - fit or ready for use or service; "the toaster was still functional even after being dropped"; "the lawnmower is a bit rusty but still usable"; "an operational aircraft"; "the dishwasher is now in working order"
    Antonym: unserviceable (indirect, via serviceable)
  3. operational - of or intended for or involved in military operations
    nonoperational, inactive, reserve
  4. operational, in operation, operating - being in effect or operation; "de facto apartheid is still operational even in the `new' African nations"- Leslie Marmon Silko; "bus service is in operation during the emergency"; "the company had several operating divisions"
    Antonym: inoperative (indirect, via operative)
operating theater operating theatre operation operation code operation cycology operation desert storm operation s operation surgeon operational operational casualty operational cell operational damage operational definitions operational nature operationalism operationalist operationally

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