It means that a person is forgetful and concentrates on one matter to the exclusion of others.
Absent means not in attendance. You can be absent from school, be absent minded or absent in physical presence for example.
Ditzy, scatterbrained, absent minded, etc.
The Absent-Minded Waiter was created in 1977.
The Absent-Minded Beggar was created in 1899.
The duration of The Absent-Minded Professor is 1.62 hours.
To be in an act or state of absent-minded daydreaming is to be in a reverie.
The Absent-Minded Professor was created on 1961-03-16.
Absent Minded - 1930 was released on: USA: 30 April 1930
The cast of Absent-Minded - 1925 includes: Neely Edwards
She was so absorbed in her book that she made an absent-minded mistake by putting her keys in the refrigerator.
Bob was very absent-minded, consequently he forgot his homework at school.