One entry found for break up.
Main Entry: break up
Pronunciation: ()br-kp
Function: verb 1: to separate into parts <enzymes help break up protein molecules> 2: to bring or come to an end <the police broke up the demonstration> <the party began to break up> 3: to end a romance <they dated for a while but broke up> 4: to go or cause to go into a fit of laughter <that joke always breaks me up>