Breakup (noun)

1. The end of a relationship, particularly a romantic one.
2. The process or an instance of breaking up a physical object or substance.

Origin:

From the verb phrase break up.

Examples:

1. The couple's breakup was hard on both of them.
2. The breakup of the band was announced on social media.
3. The breakup of the ice caused flooding in the area.
4. The breakup of the company was due to financial difficulties.
5. Breakup refers to the end of a relationship, or the process or an instance of breaking up a physical object or substance.