able to function or be used; functional: How soon will the new factory be operational?
- of, relating to, or involved in military operations.
- on active service or combat duty: All units of the command are operational.
of or relating to operations or an operation.
Origin of operational
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
not in working order or ready to use
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
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
Online Etymology Dictionary, © 2010 Douglas Harper