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English definition of “tantamount”

tantamount

adjective uk   /ˈtæn.tə.maʊnt/ us    /-t̬ə-/ formal
tantamount to sth being almost the same or having the same effect as something, usually something bad: Her refusal to answer was tantamount to an admission of guilt.Typifying, illustrating and exemplifyingMeaning and significance
(Definition of tantamount from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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