Main Entry: ¹boom

Pronunciation: \ˈbüm\

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 booming> c : to develop rapidly in population and importance <California boomed when gold was discovered there> d : to increase greatly in size or number <the population boomed>transitive verb 1 : to cause to resound —often used with out <his voice booms out the lyrics>
2 : to cause a rapid growth or increase of : boost
3 : to hit or kick forcefully <boom a punt>