- break up phrasal
- verb
1 BREAK INTO PIECES (I, T) to break or make something break into many small pieces: The stricken tanker began to break up on the rocks.(break sth up): Jim started to break the ice up on the frozen lake.2 SEPARATE (transitive break something up) to separate something into several smaller parts: I want to plant more bushes to break up the garden a bit.3 FIGHT (I, T) if a fight etc breaks up or someone breaks it up, the people stop fighting each other(break something up): Three policemen were needed to break up the fight. | break up a demonstration/meeting etc: The army is on hand to break up any demonstrations against the regime.4 MARRIAGE/ORGANIZATION (I) if a marriage, group of people, or organization breaks up, the people in it separate and do not live or work together any more: If a parent dies, the family may break up.-see also: breakup (1)5 CROWD (I) if a crowd or meeting breaks up, people start to leave6 SCHOOL (I) BrE if a school or the students of a school break up, they begin a holiday(+ for): When do you break up for Easter?7 MAKE SB LAUGH (T) AmE to say or do something that is so funny that people cannot stop laughing: break sb up: Hal really broke me up with that story about the alligator.
Longman dictionary of contemporary English. 2004.