The meaning of FOLLY is lack of good sense or normal prudence and foresight. How to use folly in a sentence.

In architecture, a folly is a building constructed primarily for decoration, but suggesting through its appearance some other purpose, or of such extravagant appearance that it transcends the range of …

Folly definition: the state or quality of being foolish; lack of understanding or sense.. See examples of FOLLY used in a sentence.

She said that the idea was folly. [ + to infinitive ] It would be folly for the country to become involved in the war.

Definition of folly noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

folly (ˈfɒlɪ) n, pl -lies 1. the state or quality of being foolish; stupidity; rashness 2. a foolish action, mistake, idea, etc

Dec 2, 2025 · folly (countable and uncountable, plural follies) Foolishness that results from a lack of foresight or lack of practicality. It would be folly to walk all that way, knowing the shops are probably …