ex-girlfriend, former girlfriend
En realidad, María ahora es mi exnovia.
Actually, Maria is now my ex-girlfriend.
No me importa que tu exnovia me haya contado toda esta mierda.
I don't care that your ex-girlfriend told me all this shit.
— Locamente millonarios (2018)
Lo último que recordaba era hablar con su exnovia.
The last thing he remembered was talking to his ex-girlfriend.
— It's Such a Beautiful Day (2012)
Me encontré con mi exnovia en Portugal por casualidad.
I ran into my ex-girlfriend in Portugal by chance.