- Prospering rapidly - of Boom - Rushing with violence; swelling with a hollow sound;
making a hollow sound or note; roaring; resounding. - Advancing or increasing amid noisy excitement; as, booming
prices; booming popularity. - The act of producing a hollow or roaring sound; a violent
rushing with heavy roar; as, the booming of the sea; a deep, hollow
sound; as, the booming of bitterns.