folly
n 1: the trait of acting stupidly or rashly [syn: {foolishness},
{unwiseness}] [ant: {wisdom}]
2: a stupid mistake [syn: {stupidity}, {betise}, {foolishness},
{imbecility}]
3: the quality of being rash and foolish [syn: {foolishness}, {craziness}]
4: foolish or senseless behavior [syn: {foolery}, {tomfoolery},
{indulgence}]