despistado

despistado
dehs-pees-tah'-doh
absent-minded, forgetful; distracted
Examples
1. Carlos anda despistado porque ayer cortó con su novia.
Carlos is a bit distracted because he broke up with his girlfriend yesterday.
 
2. Mi compañero de cuarto es despistado. ¡Siempre se le olvidan las llaves!
My roommate is absent-minded. He always forgets his keys!