Definition from macmillandictionary.com
Break the chocolate up into squares.
The plane broke up in mid-air.
The marriage broke up just a few years later.
There were suggestions that her involvement had broken up the partnership.
He’s just broken up with his girlfriend.
The talks didn’t break up until after midnight.
Sorry to break up the party, but I have to go.
The police were called in to break up the rioters.
I can’t hear you, you’re breaking up.
I usually go for a walk around three o’clock to break up the afternoon.