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English definition of “unintelligible”

unintelligible

adjective uk   /ˌʌn.ɪnˈtel.ɪ.dʒə.bl̩/ us  
not able to be understood: He muttered something unintelligible.Difficult to understandComplicated and difficult to doPuzzle and confuse
(Definition of unintelligible from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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