This is the 257th most frequent Spanish word.
ex
A former partner or spouse.
The term 'ex' is used as a prefix meaning 'former', contrasting the person's current status with their previous position.
El ex presidente habló sobre los desafíos del país.
The former president spoke about the country's challenges.
The word 'ex' indicates a past relationship or association that no longer exists.
Mi ex compañero de trabajo ahora trabaja en otra compañía.
My former coworker now works at another company.
Here, 'ex' refers to a previous romantic relationship or partner.