from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A lack of good sense, understanding, or foresight.
- n. An act or instance of foolishness: regretted the follies of his youth.
- n. A costly undertaking having an absurd or ruinous outcome.
- n. An elaborate theatrical revue consisting of music, dance, and skits.
- n. Obsolete Perilously or criminally foolish action.
- n. Obsolete Evil; wickedness.
- n. Obsolete Lewdness; lasciviousness.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Foolishness.
- n. Thoughtless action resulting in tragic consequence.
- n. A fanciful building built for purely ornamental reasons.
from the GNU version of the Collaborative International Dictionary of English
- n. The state of being foolish; want of good sense; levity, weakness, or derangement of mind.
- n. A foolish act; an inconsiderate or thoughtless procedure; weak or light-minded conduct; foolery.
- n. Scandalous crime; sin; specifically, as applied to a woman, wantonness.
- n. The result of a foolish action or enterprise.
from The Century Dictionary and Cyclopedia
- n. The character or conduct of a fool; the state of being foolish; weakness of judgment or character, or actions which spring from it; want of understanding; weak or light-minded conduct.
- n. Something regard for or attention to which is foolish.
- n. Specifically Conduct morally bad; wickedness; wantonness.
- n. A costly structure or other undertaking left unfinished for want of means, too expensive to be properly maintained, built in a very ill-chosen place, or the like; an enterprise that exhausts or ruins the projector.
- n. Synonyms Nonsense, foolishness, senselessness, ridiculousness, extravagance, indiscretion, imbecility. See list under absurdity.
- To act with folly; act foolishly.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the quality of being rash and foolish
- n. a stupid mistake
- n. foolish or senseless behavior
- n. the trait of acting stupidly or rashly
Middle English folie, from Old French, from fol, foolish, from Late Latin follis, windbag, fool; see fool.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old French folie ("madness"), from the adjective fol ("mad, insane"). (Wiktionary)