1boom 
/ˈbu:m/ verb
booms; boomed; boom·ing /ˈbu:m/ verb 1 a [no obj] : to make a deep and loud sound
▪ the sound of the bass drum booming ▪ His voice boomed out across the congregation.
b [+ obj] : to say (something) in a deep and loud voice
▪ She boomed commands from the stern of the ship. ▪ “What's going on here?” he boomed. 2 [no obj] of a business or industry : to grow or expand suddenly
▪ Housing construction has boomed in the past year. ▪ Last year we almost had to close the store, but now business is booming.
▪ the sound of the bass drum booming ▪ His voice boomed out across the congregation.
b [+ obj] : to say (something) in a deep and loud voice
▪ She boomed commands from the stern of the ship. ▪ “What's going on here?” he boomed.
▪ Housing construction has boomed in the past year. ▪ Last year we almost had to close the store, but now business is booming.
