From Longman Dictionary of Contemporary Englishoverexposeo‧ver‧ex‧pose /ˌəʊvərɪkˈspəʊz $ ˌoʊvərɪkˈspoʊz/ verb [transitive] 1 TCPto allow too much light to reach the film when taking or developing a photograph → underexpose2 → be overexposed→ See Verb table