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English definition of “idiot”

idiot

noun [C]
 
 
/ˈɪdiət/
B2 a stupid person or someone who is behaving in a stupid way: Like an idiot, I believed him.Stupid and silly people
idiocy
 
 
/ˈɪdiəsi/ noun [C, U]
stupid behaviourStupid and silly behaviour
idiotic
 
 
/ˌɪdiˈɒtɪk/ adjective
stupid: an idiotic grin/ideaStupid and sillyOf unsound mind
idiotically adverb
(Definition of idiot from the Cambridge Learners Dictionary © Cambridge University Press)
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