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English definition of “gaga”

gaga

adjective (MENTALLY UNCLEAR)    /ˈɡɑː.ɡɑː/ informal
unable to think clearly and make decisions because of old age: My granny's 94 and she's a bit gaga. I know I'm 73 but I haven't gone gaga yet! → Compare senileDescribing people who are oldThe elderlyOf unsound mindStupid and silly
(Definition of gaga adjective (MENTALLY UNCLEAR) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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