addlebrained

[ ad-l-breynd ]
/ ˈæd lˌbreɪnd /

adjective

having a muddled or confused mind; foolish, silly, or illogical.

Origin of addlebrained

First recorded in 1865–70; addle + brain + -ed3
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019