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English definition of “crackpot”

crackpot

noun [C] uk   /ˈkræk.pɒt/ us    /-pɑːt/ informal
a person who is silly or stupidStupid and silly people
crackpot
adjective uk   us  
crackpot ideasStupid and sillyOf unsound mind
(Definition of crackpot from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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