Boom·ing, n. 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.
  ◄ ►
  Boom v. i. [imp. & p. p. Boomed p. pr. & vb. n. Booming.]
  1. To cry with a hollow note; to make a hollow sound, as the bittern, and some insects.
  At eve the beetle boometh
  Athwart the thicket lone.   --Tennyson.
  2. To make a hollow sound, as of waves or cannon.
     Alarm guns booming through the night air.   --W. Irving.
  3. To rush with violence and noise, as a ship under a press of sail, before a free wind.
     She comes booming down before it.   --Totten.
  4. To have a rapid growth in market value or in popular favor; to go on rushingly.
  Boom·ing, a.
  1. Rushing with violence; swelling with a hollow sound; making a hollow sound or note; roaring; resounding.
     O'er the sea-beat ships the booming waters roar.   --Falcone.
  2. Advancing or increasing amid noisy excitement; as, booming prices; booming popularity. [Colloq. U. S.]
  booming
       adj 1: very lively and profitable; "flourishing businesses"; "a
              palmy time for stockbrokers"; "a prosperous new
              business"; "doing a roaring trade"; "a thriving
              tourist center"; "did a thriving business in orchids"
              [syn: flourishing, palmy, prospering, prosperous,
               roaring, thriving]
       2: used of the voice [syn: stentorian]