Definition of roar

• v. i. - To cry with a full, loud, continued sound.
• v. i. - To bellow, or utter a deep, loud cry, as a lion or other beast.
• v. i. - To cry loudly, as in pain, distress, or anger.
• v. i. - To make a loud, confused sound, as winds, waves, passing vehicles, a crowd of persons when shouting together, or the like.
• v. i. - To be boisterous; to be disorderly.
• v. i. - To laugh out loudly and continuously; as, the hearers roared at his jokes.
• v. i. - To make a loud noise in breathing, as horses having a certain disease. See Roaring, 2.
• v. t. - To cry aloud; to proclaim loudly.
• n. - The sound of roaring.
• n. - The deep, loud cry of a wild beast; as, the roar of a lion.
• n. - The cry of one in pain, distress, anger, or the like.
• n. - A loud, continuous, and confused sound; as, the roar of a cannon, of the wind, or the waves; the roar of ocean.
• n. - A boisterous outcry or shouting, as in mirth.