Main Entry:

¹boom

Pronunciation:

\ˈbüm\

Function:

verb

Etymology:

Middle English bomben, bummen, of imitative origin

Date:

15th century

intransitive verb1: to make a deep hollow sound2 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 verb1: to cause to resound —often used with out<his voice booms out the lyrics>2: to cause a rapid growth or increase of : boost3: to hit or kick forcefully <boom a punt>