underexposePronunciation: /ʌndərɪkˈspəʊz, -rɛk-/Translate underexpose | into French | into Italian Definition of underexpose verb [with object] Photography expose (film or an image) for too short a time: (as adjective underexposed)an underexposed pictureDerivatives underexposure noun underexpose in other Oxford dictionaries Definition of underexpose in the US English dictionary