- folly, foolishness, unwiseness - the trait of acting stupidly or rashly
--1 is a kind of trait
Antonyms: wisdom, wiseness
--1 has particulars:indiscretion, injudiciousness; absurdity, fatuity, fatuousness, silliness - stupidity, betise, folly, foolishness, imbecility - a stupid mistake
--2 is a kind of mistake, error, fault
- folly, foolishness, craziness - the quality of being rash and foolish
--3 is a kind of stupidity
- folly, foolery, tomfoolery, craziness, lunacy, indulgence - foolish or senseless behavior
--4 is a kind of play, frolic, romp, gambol, caper
--4 has particulars:meshugaas, mishegaas, mishegoss; buffoonery, clowning, frivolity, harlequinade, prank