expose too much, especially to the public eye or to risk:many UK banks were overexposed to overseas lending risks
Photography expose (film or a part of an image) for too long a time:the sunlit background is overexposed [no object]:you’ll need to overexpose by a stop or more to stop whites being reproduced as grey
Derivatives
overexposure
noun
overexpose in other Oxford dictionaries
Definition of overexpose in the US English dictionary