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English definition of “unfounded”

unfounded

adjective uk   /ʌnˈfaʊn.dɪd/ us  
describes a claim or piece of news that is not based on fact: I'm pleased to see that our fears about the weather proved totally unfounded.True, real, false, and unreal
(Definition of unfounded from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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