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  • ex
    ex
    preposition
    without, not including, or without the right to have.
  • EX
    EX
    abbreviation
  • ex-
    ex-
    a prefix meaning “out of,” “from,” and hence “utterly,” “thoroughly,” and sometimes meaning “not” or “without” or indicating a former title, status, etc.; freely used as an English formative: exstipulate; exterritorial; ex-president (former president); ex-member; ex-wife .
  • ex.
    ex.
    abbreviation
    examination.
  • Ex.
    Ex.
    abbreviation
    Exodus.
Synonyms

ex

1 American  
[eks] / ɛks /

preposition

  1. Finance. without, not including, or without the right to have.

    ex interest; ex rights.

  2. Commerce. free of charges to the purchaser until the time of removal from a specified place or thing.

    ex ship; ex warehouse; ex elevator.

  3. (in U.S. colleges and universities) from, but not graduated with, the class of.

    ex '47.


ex 2 American  
[eks] / ɛks /

noun

Informal.
  1. a former spouse or a former partner in a long-term romantic relationship; ex-wife, ex-husband, or ex-lover.


ex 3 American  
[eks] / ɛks /

noun

  1. the letter X, x.


ex 4 American  
[eks] / ɛks /

adjective

Slang.
  1. excellent.


EX 5 American  

abbreviation

  1. Biology, Ecology. extinct.


ex- 6 American  
  1. a prefix meaning “out of,” “from,” and hence “utterly,” “thoroughly,” and sometimes meaning “not” or “without” or indicating a former title, status, etc.; freely used as an English formative: exstipulate; exterritorial; ex-president (former president); ex-member; ex-wife .


ex- 7 American  
  1. variant of exo-.


ex- 8 American  
  1. a prefix identical in meaning with ex- 1, occurring before vowels in words of Greek origin: exarch; exegesis .


ex. 9 American  

abbreviation

  1. examination.

  2. examined.

  3. example.

  4. except.

  5. exception.

  6. exchange.

  7. excursion.

  8. executed.

  9. executive.

  10. express.

  11. extra.


Ex. 10 American  

abbreviation

Bible.
  1. Exodus.


ex- 1 British  

prefix

  1. out of; outside of; from

    exclosure

    exurbia

  2. former

    ex-wife

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ex 2 British  
/ ɛks /

preposition

  1. finance not participating in; excluding; without

    ex bonus

    ex dividend

    ex rights

  2. commerce without charge to the buyer until removed from

    ex quay

    ex ship

    ex works

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ex 3 British  
/ ɛks /

noun

  1. informal (a person's) former wife, husband, etc

  2. short for examination

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Ex. 4 British  

abbreviation

  1. Exodus

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ex- 5 British  

combining form

  1. a variant of exo-

    exergonic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of ex1

First recorded in 1835–45; from Latin; see ex- 1

Origin of ex2

First recorded in 1820–30; by shortening

Origin of ex4

First recorded in 1920–25; by shortening

Origin of ex-6

< Latin, combining form of ex, ē (preposition) out (of ), from, beyond

Origin of ex-8

From Greek combining form of ex, ek, “out (of), from, beyond”; see ec-, ex- 1

Vocabulary lists containing ex

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

That judge ruled that my ex did not have to pay anything, and he ignored the previous court orders.

From MarketWatch Jul. 9, 2026

A solution ex machina prevented it from closing, but instead of maintaining the status quo, everybody committed to leveling it up to a Michelin star-worthy bistro.

From Salon Jun. 28, 2026

"Also the movie is saying sometimes it's better not to stay in the relationship," said Wilde, who has two children with her ex, actor Jason Sudeikis, and dated singer Harry Styles.

From Barron's Jun. 25, 2026

For Apple, as for Jobs, the whole episode involved the kind of deus ex machina you could never get away with in fiction.

From The Wall Street Journal May 17, 2026

“I look way happier than you. It’s cool if you want to call this quits. If you’re still caught up on your ex, I get it. Well, I don’t get it. But I can imagine.”

From "What If It's Us" by Becky Albertalli and Adam Silvera

It added it would have a long bonnet to give it a "torpedo-shaped form", drawing inspiration from the company's experimental cars of the 1920s, known as EX models, and the Art Deco era.

From BBC Apr. 14, 2026

The mission's ability to measure the polarization of X-rays allowed astronomers to closely examine EX Hydrae, a type of system known as an intermediate polar.

From Science Daily Jan. 8, 2026

He tells me it is my job to work it out with his EX.

From Washington Post Oct. 6, 2022

The electrode potential of a half-cell, EX, is the cell potential of said half-cell acting as a cathode when connected to a SHE acting as an anode.

From Textbooks Feb. 14, 2019

When L is substituted it will be observed that the English prefix EX means "out of," and that, therefore, Esperanto logically uses the preposition EL, meaning "out of," as the prefix.

From The International Auxiliary Language Esperanto Grammar and Commentary by Cox, George

“Integrating Europe’s capital markets to better channel high household savings towards productive investments in the EU will be essential,” ex- European Central Bank President Mario Draghi concluded in his landmark 2024 report on continental competitiveness.

From Barron's Mar. 30, 2026

“What lamentable comments from the ex- president!” tweeted Luis Carlos Ugalde, who served as president of Mexico’s Federal Election Institute during part of Fox’s presidential term.

From Los Angeles Times Jul. 26, 2023

An ex- commander of the rebel Free Syrian Army was also sanctioned.

From Reuters Mar. 28, 2023

Former colleagues said the ex- Marine Corps officer and former U.S. attorney, who was sworn in as FBI director a week before the 2001 terrorist attacks, is uniquely suited to the task.

From Washington Post May 17, 2017

If this ex- panded idea of freedom spread, how safe were the kings and dukes, earls and knights, of England?

From "Sugar Changed the World: A Story of Magic, Spice, Slavery, Freedom, and Science" by Marc Aronson

“And weird that you’re friends with your ex. Why do you need so much male attention? It’s a huge red flag. I mean, haven’t you seen ‘When Harry Met Sally’?

From Los Angeles Times Nov. 22, 2024

“On the outside world, I would never date a friend’s ex. I would never befriend your ex.”

From Los Angeles Times Oct. 15, 2023

“A lot of people I’ve talked to are saying this reminds me of my ex. This reminds me of how my ex responded to the breakup,” she said.

From Seattle Times Apr. 13, 2022

Melania responded with a statement including the lines: "There is clearly no substance to this statement from an ex. Unfortunately only attention seeking and self-serving noise."

From BBC Oct. 10, 2017

Exempli gratia: by way of example; abbreviated, e. g., and ex. gr.

From The Verbalist A Manual Devoted to Brief Discussions of the Right and the Wrong Use of Words and to Some Other Matters of Interest to Those Who Would Speak and Write with Propriety. by Osmun, Thomas Embly

Ex.: “...then my roommate walked in and he... etc.”

From Slate Jun. 20, 2016

The first: "A bone of him shall not be broken," is merely the prescription with regard to the Paschal lamb, Ex. xii.

From Supernatural Religion, Vol. III. (of III) An Inquiry into the Reality of Divine Revelation by Cassels, Walter Richard

As this is a case of a married woman living in her father's house, Ex. xxii.

From The Old Testament In the Light of The Historical Records and Legends of Assyria and Babylonia by Pinches, Theophilus Goldridge

Rock-hewn altars have also been found, illustrating the prohibition in Ex. xx.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 2 "Camorra" to "Cape Colony" by Various

Secondly, not called out on Direct Ex.; see Swinke v.

From Gabriel Conroy by Harte, Bert

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