\ ˈeks How to pronounce ex (audio) \

Definition of ex

 (Entry 1 of 8)

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

Definition of ex (Entry 2 of 8)

: the letter x

Definition of ex (Entry 3 of 8)

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

Definition of ex (Entry 4 of 8)

1 example
2 exchange
3 executive
4 express
5 extra

Definition of Ex (Entry 5 of 8)

Exodus
\ 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") \

Definition of ex- (Entry 6 of 8)

1 : out of : outside exclave
2 : not exstipulate
3 \ (ˌ)eks , ˈeks \ : former ex-president

Definition of ex- (Entry 7 of 8)

— see exo-
variants: or before consonants ec-

Definition of ex- (Entry 8 of 8)

: out of : away : off eccentric ectopic

First Known Use of ex

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

History and Etymology for ex

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

Learn More About ex

Dictionary Entries Near ex

Ewing's sarcoma

ex

Ex

See More Nearby Entries 

Statistics for ex

Cite this Entry

“Ex.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ex. Accessed 29 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for ex

ex-

prefix
\ ˈeks \

Kids Definition of ex-

: former ex-president

ex

abbreviation

Medical Definition of ex

1 examined
2 example
3 exercise

ex-

prefix

Legal Definition of ex-

 (Entry 1 of 2)

: free from : without

Ex.

abbreviation

Legal Definition of Ex. (Entry 2 of 2)

Exchequer

History and Etymology for ex

Prefix

Latin ex from, out of

More from Merriam-Webster on ex

Thesaurus: All synonyms and antonyms for ex

Britannica English: Translation of ex for Arabic Speakers

WORD OF THE DAY

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!