Difference between Folly and Idiocy

FOLLY vs IDIOCY: NOUN

The trait of acting stupidly or rashly
The quality of being rash and foolish
A stupid mistake
Lack of good sense, understanding, or foresight.
An act or instance of foolishness.
A costly undertaking having an absurd or ruinous outcome.
An elaborate theatrical revue consisting of music, dance, and skits.
A structure, such as a pavilion in a garden, that is chiefly decorative rather than practical in purpose.
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.
Something regard for or attention to which is foolish.
Specifically Conduct morally bad; wickedness; wantonness.
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.
Foolish or senseless behavior
The state of being foolish; want of good sense; levity, weakness, or derangement of mind.
A foolish act; an inconsiderate or thoughtless procedure; weak or light-minded conduct; foolery.
Scandalous crime; sin; specifically, as applied to a woman, wantonness.
The result of a foolish action or enterprise.
Foolishness.
Thoughtless action resulting in tragic consequence.
A fanciful building built for purely ornamental reasons.
Synonyms Nonsense, foolishness, senselessness, ridiculousness, extravagance, indiscretion, imbecility. See list under absurdity.

Extreme mental retardation
Extreme folly or stupidity.
A foolish or stupid utterance or deed.
The state of being an idiot; natural absence or marked defect of understanding; mental imbecility. See idiot.
The condition or quality of being an idiot; absence, or marked deficiency, of sense and intelligence.
The state or condition of being an idiot; the quality of having an intelligence level far below average; mental retardation.
An act lacking intelligence or sense; an instance of senselessness; extremely foolish behaviour.

Ineptitude, Madness, Irrationality, Lunacy, Absurdity, Idiocy, Unwiseness, Betise, Tomfoolery, Craziness, Indulgence, Foolery, Imbecility, Stupidity, Foolishness

Amaurotic, Microcephalic, Mistake, Jerk, Fool, Indiscretion, Silly, Stupid, Idiot, Nonsense, Ineptitude, Folly, Foolishness, Stupidity, Amentia

Stupid, Blunder, Extravagance, Ineptitude, Madness, Irrationality, Lunacy, Absurdity, Idiocy, Tomfoolery, Indulgence, Foolery, Imbecility, Stupidity, Foolishness

Amaurotic, Microcephalic, Mistake, Jerk, Fool, Indiscretion, Silly, Stupid, Idiot, Nonsense, Ineptitude, Folly, Foolishness, Stupidity, Amentia

Student Senate reached the height of its folly.
CARTA to Double Service Frequency on Folly Rd.
The ghost of folly haunting my sweet dreams.
Let me try and define folly for you.
Are all the gates in this book folly?
The first instructs the reader to answer a fool in folly, while the second instructs the reader answer a fool in folly.
Stone's Folly, home of Bethel Bible College A bit of review: 1901 Stone's Folly and Charles Parham was where it all started.
The crown of the wise is their riches, but the folly of fools crowns them with folly.
This newly furnished condo is a short walk to downtown Folly and our famous wooden Folly Beach Pier.
Proceeding from folly, or marked with folly; silly; vain; trifling.