a former partner or spouse, especially one that you have separated from or divorced, a person or thing that has been replaced or discontinued, a prefix meaning 'former' or 'out of', as in 'ex-president' or 'ex-boyfriend'

ex gratia, ex officio, ex post facto

Formal and Informal Expressions of ex

In different contexts, you can replace 'ex' with suitable alternatives. In a more formal setting, 'former, previous' is apt. In informal speech or writing, 'old, past' is a commonplace synonym.

ex: Explore its Definition & Usage

ex Definition

1a former partner or spouse, especially one that you have separated from or divorced
2a person or thing that has been replaced or discontinued
3a prefix meaning 'former' or 'out of', as in 'ex-president' or 'ex-boyfriend'

Using ex: Examples

Take a moment to familiarize yourself with how "ex" can be used in various situations through the following examples!

Example
My ex and I are still friends.
Example
The company's ex-CEO resigned last year.
Example
I need to buy a new phone because my ex-phone is broken.
Example
Ex-husband is not invited to the wedding.
Example
Ex-girlfriend is now married to someone else.

ex Synonyms and Antonyms

Synonyms for ex

Antonyms for ex

Phrases with ex

ex gratia
something that is done voluntarily, without any legal obligation
Example
The company paid compensation to the victims ex gratia.
ex officio
by virtue of one's position or status
Example
The mayor is ex officio chairman of the city council.
ex post facto
after the fact; retroactively
Example
The law cannot be applied ex post facto.

Origins of ex

shortened form of 'ex-', from Latin 'ex', meaning 'out of'

📌

Summary: ex in Brief

The term 'ex' [eks] refers to a former partner or spouse, a person or thing that has been replaced or discontinued, or a prefix meaning 'former' or 'out of'. It is often used in phrases like 'ex gratia' and 'ex officio'.