mon ex

my ex

→ mon
phrase Rare #30,934
my ex Refers to a former romantic partner or spouse. The noun ex is masculine in French, so mon is used regardless of the person's gender.
FR: Mon ex habite près d'ici.
EN: My ex lives nearby.

Tom est mon ex.

Tom is my ex.

Mon ex qui était marié est venu m'engueuler au boulot.

My ex, who was married, came to yell at me at work.

— Us and Them (2018)

C'est mon ex.

This is my ex.

Mon ex.

My ex.

— Douleur et gloire (2019)

Je suis sortie avec mon ex.

I went out with my ex.

— The World (2004)

Mon ex, un putain de psychopathe.

My ex, a fucking psychopath.

— The Machinist (2004)

Je sais, mais mon ex va l'utiliser contre moi.

I know, but my ex is going to use it against me.

— The Rip (2026)

Je viens d'apprendre que mon ex a un fils.

I just found out that my ex has a son.

— Femmes au bord de la crise de nerfs (1988)