folly


folly
folly [fäl′ē]
n.
pl. follies [ME folie < OFr < fol: see FOOL1]
1. a lack of understanding, sense, or rational conduct; foolishness
2. any foolish action or belief
3. any foolish and useless but expensive undertaking
4.
a) Obs. wickedness or evil; also, lewdness
b) action that ends or can end in disaster: See also FOLLIES

English World dictionary. . 2014.

Synonyms: