1. (noun) the trait of acting stupidly or rashly

• folly
• unwiseness

2. (noun) the quality of being rash and foolish

• craziness
• folly
• madness

3. (noun) a stupid mistake

• betise
• folly
• imbecility
• stupidity

1. (noun) the trait of acting stupidly or rashly

• absurdity
• fatuity
• fatuousness
• silliness
• asininity
• indiscretion
• injudiciousness

1. (noun) the trait of acting stupidly or rashly

• trait

2. (noun) the quality of being rash and foolish

• stupidity

3. (noun) a stupid mistake

• error
• fault
• mistake

1. (noun) the trait of acting stupidly or rashly

• anserine
• dopey
• dopy
• foolish
• gooselike
• goosey
• goosy
• jerky
• unwise

2. (noun) the quality of being rash and foolish

• crazy
• dotty
• gaga
• wild
• foolish
• harebrained
• insane
• mad

1. (noun) the trait of acting stupidly or rashly

• wisdom
• wiseness