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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.

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 F-15E, a fourth-generation dual-role fighter by McDonnell Douglas, costs about $90 million for the modern EX version.

From Barron's • Mar. 2, 2026

The infalling matter collides with other material bound to the white dwarf, forming tall columns of hot gas that emit intense X-rays, making systems like EX Hydrae ideal targets for IXPE.

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

EX PEC TA' TION, hope; a looking for.

From Sanders' Union Fourth Reader by Sanders, Charles W.

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