scatterbrain

noun
UK /ˈskætəbreɪn/
US /ˈskætərbreɪn/

A scatterbrain is someone who forgets things and is not good at keeping things tidy.

My little brother is such a scatterbrain that he lost his shoes twice today.


OTHER MEANINGS

2. A person who jumps from one idea to another without finishing anything.

The scatterbrain started three projects but finished none.

3. A playful word for someone who is always losing or misplacing things.

Don't be a scatterbrain—keep your keys in one place.

4. A person whose thoughts are disorganized and hard to follow.

His teacher called him a scatterbrain because his stories never made sense.