preprogramPronunciation: /priːˈprəʊɡram/Definition of preprogram verb (preprogrammes, preprogramming, preprogrammed) [with object] (usually as adjective preprogrammed) program (a computer or other electronic device) in advance:a preprogrammed function key program (something) into a computer or other electronic device before use:preprogrammed messagespreprogram in other Oxford dictionaries Definition of preprogram in the US English dictionary