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English definition of “insane”

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insane

adjective
 
 
/ɪnˈseɪn/
ILL seriously mentally ill: a hospital for the criminally insane Mental and psychiatric disordersOf unsound mindStupid and silly
STUPID very silly or stupid: an insane decisionStupid and sillyOf unsound mind
insanely adverb
(Definition of insane from the Cambridge Learners Dictionary © Cambridge University Press)
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