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English definition of “decimate”

decimate

verb [T usually passive]     /ˈdes.ɪ.meɪt/
to kill a large number of something, or to reduce something severely : Populations of endangered animals have been decimated.KillingMurder and attempted murderBecoming and making smaller or lessBecoming and making less strong
(Definition of decimate verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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