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English definition of “indiscernible”

indiscernible

adjective uk   /ˌɪn.dɪˈsɜː.nɪ.bl̩/ us    /-ˈsɝː-/
impossible to see, see clearly, or understand: an indiscernible change/shape/reasonIndistinct and invisibleDifficult to understandComplicated and difficult to doPuzzle and confuse
(Definition of indiscernible from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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