operational

[ op-uh-rey-shuh-nl ]
/ ˌɒp əˈreɪ ʃə nl /

adjective

able to function or be used; functional: How soon will the new factory be operational?
Military.
  1. of, relating to, or involved in military operations.
  2. on active service or combat duty: All units of the command are operational.
of or relating to operations or an operation.

Origin of operational

First recorded in 1920–25; operation + -al1

OTHER WORDS FROM operational

op·er·a·tion·al·ly, adverb non·op·er·a·tion·al, adjective pre·op·er·a·tion·al, adjective

British Dictionary definitions for nonoperational (1 of 2)

nonoperational
/ (ˌnɒnɒpərˈeɪʃənəl) /

adjective

not in working order or ready to use

British Dictionary definitions for nonoperational (2 of 2)

operational
/ (ˌɒpəˈreɪʃənəl) /

adjective

of or relating to an operation or operations
in working order and ready for use
military capable of, needed in, or actually involved in operations

Derived forms of operational

operationally, adverb