n.
Pronunciation: ' büm
Function: verb
Etymology: Middle English bomben, bummen, of imitative origin
Date: 15th century
intransitive verb
1 : to make a deep hollow sound
2 a : to increase in importance, popularity, or esteem b : to experience a sudden rapid growth and expansion usually with an increase in prices <business was boom ing > c : to develop rapidly in population and importance <California boom ed when gold was discovered there> d : to increase greatly in size or number <the population boom ed >
transitive verb
1 : to cause to resound ― often used with out <his voice boom s out the lyrics>
2 : to cause a rapid growth or increase of : BOOST
3 : to hit or kick forcefully < boom a punt>