noun

ex

ex, former partner

I ran into my ex yesterday.

I ran into my ex yesterday.

She is still friends with her ex.

She is still friends with her ex.

[possessive] ex (my/his/her) former partner I saw my ex at the store.

Synonyms: former partner, former spouse

Short for 'ex-boyfriend', 'ex-wife', etc. The prefix 'ex-' means 'former' or 'out of'.

Think of the prefix 'ex-' as in 'exit' – this person has 'exited' your romantic life.

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