Forgetful (6)
'forgetful' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for absent-minded that I've seen before include "Preoccupied U forgetful" , "Scatty" , "Prone to forgetfulness" , "Vague and forgetful" , "Scatterbrained" .)
'forgetful' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for scatty that I've seen before include "Slangily crazy or scatterbrained" , "Feather-brained" , "dizzy" , "Forgetful and lacking focus" , "Crazy - in jazzy way?" .)