Definitions:

1. a sudden happening that brings good fortune, as a sudden opportunity to make money noun
   • The demand for testing has created a boom.
2. to grow vigorously verb
   • Our field is booming.
3. to hit hard verb
   • They were boomed by a car.
4. to make a deep hollow sound verb
   • Their voice booms out the words of the song.
5. to make a resonant sound, like thunder, fireworks, or artillery verb
   • The thunder boomed in the background.

Synonyms:

• blast
• boom out
• din
• expand
• flourish
• gold rush
• microphone boom
• roaring
• thrive

NearBy Words:

• boomer
• boomerang
• booming