We don't have synonyms for underexposed yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are underexpose, underexposes and underexplored.
(v) :
(photography) To take a photograph using too small an exposure
(adj) :
(photography) The condition when a photograph is darker than it should be because the film was not exposed to sufficient light either because the camera aperture was too small or the duration of light was too short.
(v) :
(photography) To take a photograph using too small an exposure
(adj) :
(photography) The condition when a photograph is darker than it should be because the film was not exposed to sufficient light either because the camera aperture was too small or the duration of light was too short.