break up

verb

1. to cause to separate and go in different directions"She waved her hand and scattered the crowds"
2. discontinue an association or relation; go different ways"The business partners broke over a tax question"
3. disband"the group broke up"
4. break violently or noisily; smash
5. make a break in"We interrupt the program for the following messages"
6. cause to go into a solution"The recipe says that we should dissolve a cup of sugar in two cups of water"
7. suffer a nervous breakdown
8. take apart into its constituent pieces
9. destroy the completeness of a set of related items"The book dealer would not break the set"
10. set or keep apart"sever a relationship"
11. attack with or as if with a pickaxe of ice or rocky ground, for example"Pick open the ice"
12. release ice"The icebergs and glaciers calve"