harebrained

About 0.06 uses per million words.

Meaning

1. adjective Absurd, foolish or stupid.
2. adjective Frivolous and silly; featherbrained or scatterbrained; stupid.

Similar words

foolish mad insane tomfool nutty cockbrained addle-brained addlebrained feeble-brained birdbrained

Often followed by

scheme schemes idea ideas and plan notion as scheming