A Breakup

1. The act of breaking up; A Disintegration or A Division.
2. The termination of a friendship or a romantic relationship.
3. A loss of emotional control; a breakdown.
4. (Alaska, northern Canada) The season during which winter ice covering bodies of water disintegrates; more generally, spring.

Synonyms

• (act of breaking up): A Rupture, A Split, split-up
• (termination of a friendship or a romantic relationship): falling out

Antonyms

• (antonym(s) of “seasons”): freeze-up