absentmindedly absentmindedly /ˌæbsəntˈmaɪndɪdli/

adverb

1. () In an absentminded or preoccupied manner  ( abstractedly , inattentively , absentmindedly , absently )
   in an absentminded or preoccupied manner
    He read the letter absently
   he read the letter absently