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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:

Jumping between past and present, the film tells the story of Alex Serian, a cellist who moves to Los Angeles to care for his dying mother and escape an overbearing ex played by Olivia Wilde.

From Barron's ● Oct. 4, 2026

While speaking to The Cut in 2025, Ortega recalled going through belongings at the property when she discovered an old toothbrush that had belonged to an ex.

From MarketWatch ● Sep. 25, 2026

And just like that first-season turnaround in a pub dart game, where Ted shows up Rebecca’s vituperative ex, Rupert, good old Coach Lasso leaps in to caramelize Alice’s insult into golden, heartwarming sunshine.

From Salon ● Sep. 10, 2026

Above all, Swanberg is interested in one strand of this knotty dilemma: how an ex turns from trash to treasure the minute someone else claims them from the dumpster.

From Los Angeles Times ● Sep. 2, 2026

“That class would be all drama anyway. I can’t be there with my ex, that’s not a healthy environment.”

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

Castelo said she bought two pairs for herself, including a pair of Delegation EX, a modern twist on classic shoes worn by Japanese athletes in the 1960s.

From The Wall Street Journal ● Sep. 7, 2026

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

EX Hydrae exists in a binary system alongside a normal main sequence star.

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 Baron's fullness of contour we have already noticed; in Mandell-Essington, EX Bunker, was to be seen even less evidence of the march of time.

From Count Bunker: being a bald yet veracious chronicle containing some further particulars of two gentlemen whose previous careers were touched upon in a tome entitled the Lunatic at Large by J. Storer (Joseph Storer) Clouston

“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

The five included two key figures from the Jeremy Corbyn era – ex- director of communications Seumas Milne and Mr Corbyn’s former chief of staff Karie Murphy.

From BBC ● Jun. 6, 2024

“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

Raymond Clayborn returned a touchdown ninety-five yards for a score in that game, indicating that when it came to football, Darrell Royal had shrewdly gauged the ex- pendability of Joe Bob Bizzell.

From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger

“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

Cr. 8vo, cloth ex., 6s. post 8vo, illustrated boards, 2s.

From The Ivory Gate, a new edition by Sir Walter Besant

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

From Slate ● Jun. 20, 2016

Lastly pre-Mosaic polytheism seems to be implied in the Mosaic prohibition Ex. xx.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

The wording of this law clearly indicates that it would apply if the herdsman were in fault, and suggests that the same condition must be read into Ex. xxii.

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

For when compared with Ex. xx. 1-17 the parallel version of Deut. v.

From Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 1 "Evangelical Church Conference" to "Fairbairn, Sir William" by Various

The plain intention of Ex. xii 40, 41 is to describe the Israelites as having dwelt in Egypt for 430 years, which is also in substantial agreement with the earlier passage, Gen. xv.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" by Various

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