The crossword solutions for the term 'OBSESS IN FRONT OF THE MIRROR' are PREEN, which is a 5 letter word. Preening is a behavior that is often seen in birds and other animals, where they groom themselves by cleaning and arranging their feathers or fur. In humans, preening is a form of self-grooming, where someone will adjust their clothing and hair in order to look more attractive. In this context, preening in front of the mirror could be seen as an obsessive behavior, where someone is constantly adjusting their appearance in order to look perfect.