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


able to function or be used; functional: How soon will the new factory be operational?
  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, adverbnon·op·er·a·tion·al, adjectivepre·op·er·a·tion·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for operational

British Dictionary definitions for operational

/ (ˌɒpəˈreɪʃənəl) /


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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012