operational

adjective

1. 1

   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

2. 2

   (military) of or intended for or involved in military operations

3. 3

   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

4. 4

   pertaining to a process or series of actions for achieving a result

   operational difficulties

   they assumed their operational positions