feather-brained

For the moment we are the bicycle, and not the feather-brained cyclist.

"She was feather-brained," continued the bon vivant, with a blas shrug.

Spinoza had nothing but contempt for facile-tongued, feather-brained Utopians.

He's one of your feather-brained, lily-livered fellows, is he?

Darzee was a feather-brained little fellow who could never hold more than one idea at a time in his head.

I could not think what were her meaning, and I marvelled if she were not feather-brained (wandering, light-headed) somewhat.

In short, Brissenden struck Martin as anaemic and feather-brained, and was promptly dismissed from his mind.

What can that feather-brained little woman have been about not to have sent him to school long ago!

She could love, I knew, that feather-brained, big-hearted little friend of mine.

I had expected to find her developed into a feather-brained, affected young lady who was shortsighted in a great many ways.