What does the word roar mean?

Usage examples for roar

  1. Then I saw, in my dream, that still he went on in great dread of the wild beasts; he heard them roar, yet they did him no harm; but when he had gone by them he went on with joy, till he came and stood in front of the lodge where Watchful dwelt. – The Pilgrim's Progress in Words of One Syllable by Mary Godolphin
  2. We passed close to one which gave a magnificent roar, the like of which I am not likely to hear again for many a day. – The Incomparable 29th and the "River Clyde" by George Davidson
  3. " The walls were now falling in every direction with a dull roar into the yellow waters. – Story of My Life, volumes 1-3 by Augustus J. C. Hare
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