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English definition of “onslaught”

onslaught

noun [C] uk   /ˈɒn.slɔːt/ us    /ˈɑːn.slɑːt/
a very powerful attack: It is unlikely that his forces could withstand an allied onslaught for very long. Scotland's onslaught on Wales in the second half of the match earned them a 4–1 victory.Attacking and invading
(Definition of onslaught from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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