Definition of ROAR

  1. (verb)make a loud noise, as of wind, water, or vehicles
  2. (verb)utter words loudly and forcefully
  3. (verb)emit long loud cries
  4. (verb)act or proceed in a riotous, turbulent, or disorderly way
  5. (verb)make a loud noise, as of animal
  6. (verb)laugh unrestrainedly and heartily
  7. (noun)a deep prolonged loud noise
  8. (noun)a very loud utterance (like the sound of an animal)
  9. (noun)the sound made by a lion