Fōōl'er-y, n.

noun

n. 1. The practice of folly; the behavior of a fool; absurdity.

Folly in fools bears not so strong a note, As foolery in the wise, when wit doth dote. Shak.

Sense 2. An act of folly or weakness; a foolish practice; a piece of absurdity or nonsense. Watts.