Definition of boom
- business was booming
- California boomed when gold was discovered there
- the population boomed
the sound of the bass drum booming
His voice boomed out across the congregation.
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.
accelerate, accumulate, appreciate, balloon, build up, burgeon (also bourgeon), climb, enlarge, escalate, expand, gain, increase, mount, multiply, mushroom, proliferate, rise, roll up, snowball, spread, swell, wax;
: to make a deep and loud sound
: to say (something) in a deep and loud voice
of a business or industry : to grow or expand suddenly
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