Definition of "folly" []

  • A lack of good sense, understanding, or foresight. (noun)
  • An act or instance of foolishness: regretted the follies of his youth. (noun)
  • A costly undertaking having an absurd or ruinous outcome. (noun)
  • An elaborate theatrical revue consisting of music, dance, and skits. (noun)
  • Obsolete Perilously or criminally foolish action. (noun)
  • The state or quality of being foolish; stupidity; rashness (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • A foolish action, mistake, idea, etc (noun)
  • A building in the form of a castle, temple, etc, built to satisfy a fancy or conceit, often of an eccentric kind (noun)
  • An elaborately costumed revue (noun)
  • Evil; wickedness (noun)
  • Lewdness; wantonness (noun) (c) HarperCollins Publishers Ltd 2016

Use "folly" in a sentence
  • "III. i.75 (201,2) [But wise-men's folly fall'n] Sir Thomas Hammer reads, _folly shewn_."
  • "I. ii.23 (14,4) his valour is crushed into folly] To be _crushed into folly_, is to be _confused_ and mingled with _folly_, so as that they make one mass together."
  • "And if any offer of alliance or parley of individual elders comes from home, the false spirits shut the gates of the castle and permit no one to enter, — there is a battle, and they gain the victory; and straightway making alliance with the desires, they banish modesty, which they call folly, and send temperance over the border."