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ex

ex

∞ 4.1
A person who used to be your boyfriend, girlfriend, husband or wife
  • noun
  • /ɛks/
: expareja
  • After their breakup, she decided to remain friends with her ex.
  • results with the ex

Four years later, I am now with my ex's best friend.

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Examples

Synonyms

old flame
vsex
17 4.2

A person you used to date

lists common roles such as boyfriend girlfriend husband and wife

Antonyms

598 1.1

A husband, wife, or long-term companion in a romantic relationship

296 1.0

A person who is married to someone

Idioms

ex nihilo
  • Formal
2 9.9

In a way that comes from nothing with no earlier cause

ex officio
  • Formal
1 8.4

Because someone has an official job or position, they are a member without being chosen again

ex cathedra
  • Formal
1 9.9

In a way that shows the full official authority of a leader, for example the Pope

ex tempore
  • Formal
1 9.9

Done or said without planning at the moment

Compounds

336 2.5

A woman who used to be married to someone

218 3.3

A man who used to be married to a woman

140 2.2

A man who used to be someone's boyfriend

22 3.9

A person who used to be president

deus ex machina
  • Literature
5 9.9

An unexpected event or person that suddenly fixes a hopeless situation in a story

4 3.4

A person who used to be your husband or wife

ex post facto
  • Formal
4 9.9

Applies to actions that happened before a law or decision was made

3 3.7

A person who used to be the leader of a city or town

1 3.9

A man who used to be in the military

ex vivo
  • Specialized
1 9.3

Happening to cells or organs outside a living body in a lab

1 9.9

A belief that God made the world from nothing

ex libris
  • Specialized
1 9.9

A small paper label with the owner's name or picture glued inside a book to show who owns it

ex gratia
  • Formal
1 9.8

People give money or help as a favor, not because the law requires it

ex nihilo
  • Formal
1 9.9

Made from nothing without using other materials

ex-post evaluation
  • Specialized
1 7.0

A review of a project after it ends to see its results

1 5.1

A person who used to bet money but no longer does

ex-ante evaluation
  • Specialized
8.8

A study carried out before a project to predict its likely effects

ex-lax fish
  • Informal
9.9

A fish dish that people think makes them need the bathroom quickly

A woman who used to serve in the military

How Current

spouse
296 1.0
partner
598 1.1
ex
∞ 4.1

Surface Forms

ex singular
exes plural

Etymology

The word ex comes from the Latin word ex, which means 'out of' or 'from'. A helpful way to remember why we call someone an ex is to think of them as 'out of' your life or relationship, just like the word exit uses ex to mean 'out'.