Deep, resonant but excessive bass sound

verb

1. To make a deep hollow sound
2. To increase in importance, popularity, or esteem
3. To experience a sudden rapid growth and expansion usually with an increase in prices

   "business was booming"

4. To develop rapidly in population and importance

   "California boomed when gold was discovered there"

5. To increase greatly in size or number

   "the population boomed"

6. To cause to resound
7. To cause a rapid growth or increase of boost
8. To hit or kick forcefully

   "boom a punt"

noun

1. A booming sound or cry
2. A general movement in support of a candidate for office
3. Rapid settlement and development of a town or district
4. A rapid widespread expansion of economic activity
5. An upsurge in activity, interest, or popularity

   "a folk music boom"

noun

1. A long spar used to extend the foot of a sail
2. A chain or line of connected floating timbers extended across a river, lake, or harbor (as to obstruct passage or catch floating objects)
3. A temporary floating barrier used to contain an oil spill
4. A long beam projecting from the mast of a derrick to support or guide cargo
5. A long more or less horizontal supporting arm or brace (as for holding a microphone)
6. A spar or outrigger connecting the tail surfaces and the main supporting structure of an aircraft

noun

1. A usually large portable stereophonic radio and tape or CD player

noun

1. A marked rise in birth rate (as in the U.S. following the end of World War II)

noun

1. A sound resembling an explosion produced when a shock wave formed at the nose of an aircraft traveling at supersonic speed reaches the ground

verb

1. To look sullen frown
2. To be or become dark, gloomy, and threatening

   "an overcast sky lowered over the village"

verb

1. To move down drop
2. To let descend let down
3. To depress as to direction

   "lower your aim"

4. To reduce the height of
5. To reduce in value, number, or amount
6. To reduce the objective of