1. a loud, deep, resonant sound
2. a period of rapid economic growth or prosperity
3. a long pole used to extend the bottom of a sail
Usage: nautical

1. to make a loud, deep sound
2. to experience rapid growth or success

1. used to represent a loud explosive sound

Examples

• The thunder created a loud boom across the valley.
• The tech industry experienced a major boom in the 1990s.
• The camera operator adjusted the boom to get a better angle.
• His voice boomed through the auditorium without a microphone.
• The construction industry is booming in this area.
• Boom! The fireworks lit up the night sky.