0 often forgetting or losing things, or not thinking seriously about things:
My husband is scatterbrained and I have always run the house financially.
I've been a bit scatterbrained in the past but today my mind was on the job.
The staff were friendly, but a little slow and scatterbrained.
It's impossible to dislike this scatterbrained Brit.
She often projects the image of a somewhat scatterbrained aunt who can never remember anyone's name.
He's too scatterbrained to follow a train of thought for more than a minute.
Of course there are some scatterbrained ideas in the document which will never see the light of day.
Chowder wants to become a great chef, but he is very impulsive and scatterbrained and often gives in to his urges.
He's a little scatterbrained and easily distracted, but has a first-rate deductive mind.