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imperil

verb [T]
 
 
/ɪmˈper.əl/ (-ll- or US usually -l-) formal

Definition

to put something or someone at risk or in danger of being harmed or destroyed: A police raid would imperil the lives of the hostages.Taking risksGambling and bookmaking
(Definition of imperil verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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