hare-brained

See a timeline of their hare-brained schemes—including sticking credit cards to their foreheads—and assorted misdemeanors.

He’s just finished shooting a remake of Absolutely Fabulous (that hare-brained, alcoholic ‘90s Britcom).

It was no brash idea, no hare-brained impulse concocted in one's cups, perhaps.

Did I not hear that hare-brained youngster declare this evening that money was made round that it might roll.

The same act which would proclaim their own treachery would deliver into our hands this hare-brained adventurer.

The man with the latest hare-brained theory of the causation of the wind was accorded a full hearing.

The elder interrupted her sharply in their native language with, "How can you speak of holy things to a hare-brained Frenchman?"