idiocy
noun
[ ˈɪdɪəsi ]
• extremely stupid behaviour.
• "the idiocy of decimating yew forests"
Similar:
stupidity,
folly,
foolishness,
foolhardiness,
madness,
insanity,
lunacy,
silliness,
brainlessness,
thoughtlessness,
senselessness,
lack of sense,
indiscretion,
irresponsibility,
injudiciousness,
imprudence,
rashness,
recklessness,
ineptitude,
inaneness,
inanity,
irrationality,
illogicality,
absurdity,
nonsense,
ludicrousness,
ridiculousness,
fatuousness,
fatuity,
asininity,
pointlessness,
meaninglessness,
futility,
fruitlessness,
craziness,
daftness,
Origin:
early 16th century (originally denoting low intelligence): from idiot, probably on the pattern of pairs such as lunatic, lunacy .
