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English definition of “stupid”

stupid

adjective     /ˈstjuːpɪd/
SILLY B1 silly or not intelligent : That was a really stupid thing to do. How could you be so stupid?Stupid and sillyOf unsound mind
ANNOYING [always before noun] informal used to show that you are annoyed about something which is causing a problem : I can never get this stupid machine to work !Expressions of anger
stupidity     /stjuːˈpɪdəti/ noun [U] stupidly adverb
(Definition of stupid adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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