scatterbrained
US /ˈskæt̬.ɚ.breɪnd/
UK /ˈskæt̬.ɚ.breɪnd/

1.
disorganized and lacking in concentration
:
•
She's so scatterbrained that she often forgets her keys.
•
His scatterbrained approach to planning led to many mistakes.
disorganized and lacking in concentration