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English definition of “roar”

roar

verb     /rɔːr/ US  /rɔːr/
C2 [I] to make a long , loud , deep sound : We could hear the lions roaring at the other end of the zoo .Animal (non-human) soundsSounds made by humans with their mouths [I] If a vehicle or aircraft roars somewhere , it moves there very quickly making a lot of noise : She looked up as a plane roared overhead . The street was full of boys roaring up and down on their motorbikes .Sounds made by objects, movement or impact C2 [T] to shout loudly : [+ speech] " Stop that!" he roared.Shouting and screaming
(Definition of roar verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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