Foolish

Webster's Dictionary of the English Language

·adj Absurd; ridiculous; despicable; contemptible.

II. Foolish ·adj Marked with, or exhibiting, folly; void of understanding; weak in intellect; without judgment or discretion; silly; unwise.

III. Foolish ·adj Such as a fool would do; proceeding from weakness of mind or silliness; exhibiting a want of judgment or discretion; as, a foolish act.