ex

1 of 8

noun (1)

ˈeks 

: 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 gz is shown (as in "exact")

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

Noun

Cooper, who has long served as the host of Call Her Daddy since 2018 alongside her ex-cohost Sofia Franklyn, expanded her podcasting empire into the Unwell Network in August 2023. —Madison E. Goldberg, PEOPLE, 14 Apr. 2026

The two other defendants, ex-ComEd executive John Hooker and former City Club of Chicago head Jay Doherty, did not appeal their convictions and have already served prison sentences and been released to halfway houses in the Chicago area. —Jason Meisner, Chicago Tribune, 14 Apr. 2026

The San Diego native recently celebrated his 29th birthday, and this weekend, Mysterio will be battling against Finn Bálor, his former mentor and ex-leader of the WWE faction The Judgement Day, at WrestleMania 42. —Carlos Rico, San Diego Union-Tribune, 14 Apr. 2026

The writing serves the characters by taking the time to build out their friendships, like the mutual respect Brina and Monica (Erika Alexander), Reggie’s ex-wife and still-agent, have for each other as two female hustlers. —Roxana Hadadi, Vulture, 14 Apr. 2026

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

Phrases Containing ex

• deus ex machina
• ex cathedra
• ex-con
• ex-directory
• ex gratia
• ex hypothesi
• ex libris
• ex nihilo
• ex officio
• ex parte
• ex post facto
• ex-voto
• go ex-directory

Rhymes for ex

• becks
• checks
• czechs
• decks
• dex
• flecks
• flex
• hex
• lex
• necks
• pecks
• plex

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