break-up

Noun

breakup (plural breakups)

1. The act of breaking up; disintegration or division.
   • Several factors led to speculation that the accident might have been caused by a bomb or missile strike, including heightened safety and security concerns because of the 1996 Olympics then being held in the United States, the fact that TWA flight 800 was an international flight, and the sudden and...2000 August 23, National Transportation Safety Board, “1.12 Wreckage Recovery and Documentation Information”, in Aircraft Accident Report: In-flight Breakup Over the Atlantic Ocean, Trans World...

   Synonyms:

   rupture, split, split-up

2. The termination of a friendship or a romantic relationship.
   • "Eventually, I just pieced it together, figuring your butting heads could probably be explained by a break up. Years of anime shipping trained me for this."2018 November 21, Jocelyn Samara D., Rain (webcomic), Comic 1101 - Rose

   Synonyms:

   falling out

3. A loss of emotional control; a breakdown.
4. (Canada, Northern, Alaska) The season during which winter ice covering bodies of water disintegrates; more generally, spring.