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English definition of “unprecedented”


adjective uk   /ʌnˈpres.ɪ.den.tɪd/ us    /-t̬ɪd/
C2 never having happened or existed in the past: This century has witnessed environmental destruction on an unprecedented scale.NewModern and fashionable
(Definition of unprecedented from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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