operational

UK: /ˌɒpəˈreɪʃən^əl/ US: /ˌɑpəˈreɪʃənəl/ ,(op′ə rā′shə nl)

WordReference Random House Learner's Dictionary of American English © 2026

op•er•a•tion•al /ˌɑpəˈreɪʃənəl/   adj. 

1. able to be used;
   working;
   usable.
2. of or relating to an operation or operations:
   [before a noun] the operational costs of the project.

WordReference Random House Unabridged Dictionary of American English © 2026

op•er•a•tion•al  (op′ə rā′shə nl), adj. 

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

• operation + -al¹ 1920–25

op′er•a′tion•al•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

operational / ˌɒpəˈreɪʃən^əl/ adjective

1. of or relating to an operation or operations
2. in working order and ready for use
3. capable of, needed in, or actually involved in operations

ˌoperˈationally adverb