/ ˌəʊvərɪkˈspəʊz; NAmE ˌoʊvərɪkˈspoʊz/ verb [ vn ] [ usually passive ]
1.
to affect the quality of a photograph or film by allowing too much light to enter the camera
OPP underexpose
2.
to allow sb/sth to be seen too much on television, in the newspapers, etc. :
The club is careful not to let the younger players be overexposed, and rarely allows them to be interviewed.
► over·ex·pos·ure / ˌəʊvərɪkˈspəʊʒə(r); NAmE ˌoʊvərɪkˈspoʊ-/ noun [ U ]