American English

Definition of stupidity noun from the Oxford Advanced American Dictionary

     

    stupidity

     noun
    noun
    NAmE//stuˈpɪdət̮i//
     
    (pl. stupidities)
     
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  1. 1 [uncountable, countable, usually plural] behavior that shows a lack of thought or good judgment I couldn't believe my own stupidity. the errors and stupidities of youth The police were astonished at the sheer stupidity of drivers in going so fast in the fog.
  2. 2 [uncountable] the state or quality of being slow to learn and not intelligent He faked stupidity to try to escape punishment for the crime.
See the Oxford Advanced Learner's Dictionary entry: stupidity