American English

Definition of roar verb from the Oxford Advanced American Dictionary

     

    roar

     verb
    verb
    NAmE//rɔr//
     
    Verb Forms present simple I / you / we / they roar
     
    he / she / it roars
     
    past simple roared
     
    -ing form roaring
     
     
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  1. 1[intransitive] to make a very loud, deep sound We heard a lion roar. The gun roared deafeningly. The engine roared to life (= started noisily). The wind was roaring in my ears.
  2. 2[intransitive, transitive] to shout something very loudly The crowd roared. roar something (out) The fans roared (out) their approval. He roared out James's name. + speech “Stand back,” he roared.
  3. 3[intransitive] to laugh very loudly He looked so funny, we all roared. roar with laughter It made them roar with laughter.
  4. 4 [intransitive] + adv./prep. (of a vehicle or its rider/driver) to move very fast, making a lot of noise She stepped on the gas and the car roared away. A group of young men on motorcycles roared past.
  5. 5[intransitive] (of a fire) to burn brightly with a lot of flames, heat, and noise A log fire was roaring in the hearth.
See the Oxford Advanced Learner's Dictionary entry: roar