foolishness
noun
[ ˈfuːlɪʃnəs ]
• lack of good sense or judgement; stupidity.
• "she was realizing the foolishness of her actions"
Similar:
folly,
foolhardiness,
stupidity,
idiocy,
imbecility,
silliness,
inanity,
lunacy,
madness,
rashness,
recklessness,
imprudence,
injudiciousness,
irrationality,
illogicality,
irresponsibility,
thoughtlessness,
indiscretion,
craziness,
daftness,