Synonyms for folly

Noun

1. folly, foolishness, unwiseness, trait

usage: the trait of acting stupidly or rashly

2. stupidity, betise, folly, foolishness, imbecility, mistake, error, fault

usage: a stupid mistake

3. folly, foolishness, craziness, stupidity

usage: the quality of being rash and foolish

4. folly, foolery, tomfoolery, craziness, lunacy, indulgence, play, frolic, romp, gambol, caper

usage: foolish or senseless behavior