Definitions

folly

[fol-ee] / ˈfɒl i /

NOUN

nonsense, ridiculous idea

Synonyms

STRONGEST

absurdity craziness foolishness idiocy indiscretion lunacy madness recklessness silliness stupidity

STRONG

daftness fatuity imbecility impracticality imprudence inadvisability inanity irrationality obliquity rashness senselessness triviality unsoundness vice

WEAK

dottiness dumb thing to do dumb trick preposterousness witlessness

Antonyms

STRONGEST

care carefulness intelligence sense

WEAK

judgment knowledge seriousness understanding wisdom

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A six-minute cameo at Turf Moor showed the folly of that decision.

From BBC

But in terms of narrative, at least, betting against AI hype in 2026 seems folly.

From Barron's

An era of folly began in the new century.

From The Wall Street Journal