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English definition of “stupid”

stupid

adjective  /ˈstu·pɪd/ us  
lacking thought or intelligence: I just made another stupid mistake. infml You might say something is stupid because it annoys you: Turn off that stupid program!
stupidity
noun [U]  /stuˈpɪd·ɪ·t̬i/ us  
Can you believe my stupidity? I locked my keys in the car!
(Definition of stupid from the Cambridge Academic Content Dictionary © Cambridge University Press)
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