break up

verb

• To break or separate into pieces; to disintegrate or come apart.

  "It broke up when it hit the ground."

• To end a relationship.

  "She broke up with her boyfriend last week."

• To end a relationship with each other.

  "Jane and Stephen broke up."

• To dissolve; to part.

  "The meeting finally broke up after a three-hour discussion."

• Of a school, to close for the holidays at the end of term.
• Of a telephone conversation, to cease to be understandable because of a bad connection.

  "You're breaking up. Can you repeat that?"

• To break or separate into pieces.

  "Break up the cheese and put it in the salad."

• To stop a fight; to separate people who are fighting.

  "The police came in to break up the disturbance."

• Become disorganised