ex

1 of 8

noun (1)

: one that formerly held a specified position or place
especially : a former spouse or former partner in an intimate relationship

ex

2 of 8

noun (2)

: the letter x

ex

3 of 8

preposition

1
: out of : from: such as
a
: from a specified place or source
b
: from a specified dam
a promising calf by Eric XVI ex Heatherbell
2
: free from : without: such as
a
: without an indicated value or right
used especially of securities
b
: free of charges precedent to removal from the specified place with purchaser to provide means of subsequent transportation
ex dock

ex

4 of 8

abbreviation (1)

1
example
2
exchange
3
executive
4
express
5
extra

Ex

5 of 8

abbreviation (2)

Exodus

ex-

6 of 8

prefix (1)

e,
 also occurs in this prefix where only  i,
 is shown below (as in "express") and  ks,
 sometimes occurs where only  is shown (as in "exact") gz
1
: out of : outside
exclave
2
: not
exstipulate
3
(ˌ)eks,
ˈeks
: former
ex-president

ex-

7 of 8

combining form

see exo-

ex-

8 of 8

prefix (2)

variants or before consonants ec-
: out of : away : off
eccentric
ectopic

Examples of ex in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Bobby shares Sophie with his ex-wife, Kate Connelly. Charna Flam, PEOPLE, 31 Oct. 2025 As for his lodging, Andrew is set to relocate to a property on the Sandringham estate in Norfolk, according to the Telegraph, while his ex-wife, Sarah Ferguson, who continued to live at Royal Lodge with Andrew even after their 1996 divorce, will need to sort out her own living arrangements. Chad De Guzman, Time, 31 Oct. 2025 The three-part docuseries that premiered this week chronicles how Rasmussen discovered Johnson’s deceptions and finally left him, only to be harassed by her ex after their divorce. Addie Morfoot, Variety, 31 Oct. 2025 His ex-wife, Sarah Ferguson, will have to find her own residence. Marni Rose McFall, MSNBC Newsweek, 31 Oct. 2025 See All Example Sentences for ex

Word History

Etymology

Noun (1)

ex- entry 1

Preposition

Latin

Prefix (1)

borrowed from Latin ex- (before vowels and voiceless consonants), ē- (from *egz-, before voiced consonants), from ex, ē, preposition, "out of, from," going back to Indo-European *h1eḱ-s or *h1eǵh-s, whence also Old Irish a, as "out of, from," Middle Welsh ech, Greek ex, ek, Lithuanian ìš, ìž, Old Church Slavic iz (with unexplained i in Balto-Slavic); (sense 3) borrowed from Late Latin, as in exconsul "former consul," based on Latin ex in the sense "from being, having formerly held (an office)," as in ex assessōre praefectus praetōriī "advanced from the position of judge's assistant to commander of the Praetorian Guard" (Suetonius)

Prefix (2)

borrowed from Greek ex-, ek-, from ex, ek, preposition, "out of, from" — more at ex- entry 1

First Known Use

Noun (1)

1827, in the meaning defined above

Noun (2)

1818, in the meaning defined above

Preposition

circa 1755, in the meaning defined at sense 1

Time Traveler
The first known use of ex was circa 1755

Browse Nearby Words

Cite this Entry

“Ex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ex. Accessed 1 Nov. 2025.

Kids Definition

ex-

1 of 2 prefix
(ˌ)eks,
ˈeks
: former
ex-president

ex-

2 of 2
see exo-
Etymology

Prefix

from earlier ex- (prefix), from Latin ex- "out of, from"

Medical Definition

ex

abbreviation
1
examined
2
example
3
exercise

Legal Definition

ex-

1 of 2 prefix
: free from : without

Ex.

2 of 2 abbreviation
Exchequer
Etymology

Prefix

Latin ex from, out of

More from Merriam-Webster on ex

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