scatterbrained
adjective
[ ˈskatəbreɪnd ]
• (of a person) disorganized and lacking in concentration.
• "a scatterbrained blonde"
Similar:
absent-minded,
forgetful,
with a mind like a sieve,
disorganized,
unsystematic,
dreamy,
wool-gathering,
with one's head in the clouds,
feather-brained,
feather-headed,
birdbrained,
empty-headed,
erratic,
giddy,
dizzy,
dippy,
not with it,
dappy,
scatty,