crackbrained
/ˈkrækˌbreɪnd/
adjective
- Foolish, eccentric, or based on strange or unrealistic ideas.
- His crackbrained scheme to build a castle out of cardboard fell apart in the rain.
- The movie's crackbrained plot made no sense to anyone.
- She had a crackbrained idea that she could talk to squirrels.
Antonyms