- the state or quality of being foolish; lack of understanding or sense.
- a foolish action, practice, idea, etc.; absurdity: the folly of performing without a rehearsal.
- a costly and foolish undertaking; unwise investment or expenditure.
- a whimsical or extravagant structure built to serve as a conversation piece, lend interest to a view, commemorate a person or event, etc.: found especially in England in the 18th century.
- a theatrical revue.
- wickedness; wantonness.
- the state or quality of being foolish; stupidity; rashness
- a foolish action, mistake, idea, etc
- a building in the form of a castle, temple, etc, built to satisfy a fancy or conceit, often of an eccentric kind
- an elaborately costumed revue
- archaic
- evil; wickedness
- lewdness; wantonness
