breakup

break·up  (brkp)

n.

1. The act or an instance of breaking up, as a division, dispersal, or disintegration.

2. The discontinuance of a relationship, as a marriage or a friendship.

3. The cracking and shifting of ice in rivers or harbors during the spring.

4. A loss of control or composure.

Thesaurus

Noun	1.	breakup - the termination or disintegration of a relationship (between persons or nations) dissolution ending, termination, conclusion - the act of ending something; "the termination of the agreement" splitsville - separation or breakup or divorce; "after 15 years together they are headed for splitsville" invalidation, annulment - (law) a formal termination (of a relationship or a judicial proceeding etc)
	2.	breakup - coming apart separation, detachment alteration, change, modification - an event that occurs when something passes from one state or phase to another; "the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago" falling out, severance, rupture, rift, breach, break - a personal or social separation (as between opposing factions); "they hoped to avoid a break in relations" break - the occurrence of breaking; "the break in the dam threatened the valley"