(adj) fit or ready for use or service, Syn. useable, operable, operational, usable, Example:the toaster was still functional even after being dropped; the lawnmower is a bit rusty but still usable; an operational aircraft; the dishwasher is now in working order
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
a. (Computers) Being able to function in two or more different programs or operating systems. Used of data structures or executable programs; as, Microsoft Word files are interoperable between Intel and Macintosh operating environments.. [ PJC ]