American English

Definition of idiocy noun from the Oxford Advanced American Dictionary



    (pl. idiocies) (formal)
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  1. 1[uncountable] very stupid behavior; the state of being very stupid synonym stupidity It is sheer idiocy to go climbing in this weather.
  2. 2[countable] a very stupid act, remark, etc. the idiocies of bureaucracy
See the Oxford Advanced Learner's Dictionary entry: idiocy