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English definition of “unintelligible”

unintelligible

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