Definitions from Wiktionary (roar)

▸ verb:  (intransitive) To make a loud, deep cry, especially from pain, anger, or other strong emotion.
▸ verb:  To laugh in a particularly loud manner.
▸ verb:  Of animals (especially a lion), to make a loud deep noise.
▸ verb:  Generally, of inanimate objects etc., to make a loud resounding noise.
▸ verb:  (figuratively) To proceed vigorously.
▸ verb:  (transitive) To cry aloud; to proclaim loudly.
▸ verb:  To be boisterous; to be disorderly.
▸ verb:  To make a loud noise in breathing, as horses do when they have a certain disease.
▸ verb:  (British Yorkshire, North Midlands, informal) To cry.
▸ noun:  A long, loud, deep shout, as of rage or laughter, made with the mouth wide open.
▸ noun:  The cry of the lion.
▸ noun:  The deep cry of the bull.
▸ noun:  A loud resounding noise.
▸ noun:  A show of strength or character.
▸ Also see roar

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