To break up is to end a romantic relationship. Break up with somebody.
It is used of schools letting out for the holidays too, which confuses learners. To break up over the phone is considered the worst way of doing it.
1phrasebreak upTo end a romantic relationship.
“They decided to break up the week before the holiday.”
break up is an action.
Also accepted in games: split up
breakup Deverbal from break up.
Etymology from Wiktionary, CC BY-SA
Practised in Phrasal Verbs