ex

/ˈɛks/

the person one used to be married to or have a relationship with

synonyms : ex-husband

the 24th letter of the Roman alphabet

synonyms : X

a man who was formerly a certain woman's husband

synonyms : ex-husband

out of fashion

synonyms : antique

ex-

used to describe a person or thing that was previously in a particular position or relationship but is not anymore

Examples

1. At first, I was upset when my ex cheated on me.

2. Her ex-boss, she said, was 'a tyrant and a fraud'.

3. I have mixed emotions about tomorrow's party with two of your exes being there.

4. Janet quitting her job because her ex started working there is a classic example of throwing out the baby with the bathwater.