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English definition of “incontrovertible”

incontrovertible

adjective     /ɪnˌkɒn.trəˈvɜː.tɪ.bl̩/ US  /-ˌkɑːn.trəˈvɝː.t̬ə-/ formal
impossible to doubt because of being obviously true: incontrovertible proof/evidence Her logic is utterly incontrovertible.CertaintyConfidence and self-assuranceTrue, real, false, and unreal incontrovertibly     /ɪnˌkɒn.trəˈvɜː.tɪ.bli/ US  /-ˌkɑːn.trəˈvɝː.t̬ə-/ adverb Your assertion is incontrovertibly true.CertaintyConfidence and self-assuranceTrue, real, false, and unreal
(Definition of incontrovertible adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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