break up

the termination or disintegration of a relationship (between persons or nations)
coming apart
to cause to separate and go in different directions;
discontinue an association or relation; go different ways;
come apart;
break violently or noisily; smash;
make a break in;
cause to go into a solution;
suffer a nervous breakdown
take apart into its constituent pieces
destroy the completeness of a set of related items;
set or keep apart;
attack with or as if with a pickaxe of ice or rocky ground, for example;
release ice;
close at the end of a session;
bring the association of to an end or cause to break up;
come to an end;
break or cause to break into pieces;
cause to separate;