Ex.

Collins Concise English Dictionary © HarperCollins Publishers::

Ex. abbreviation

1. Exodus

WordReference Random House Learner's Dictionary of American English © 2026

ex¹ /ɛks/   n. [countable] [Informal.]

ex-¹ ,prefix. 

1. ex- comes from Latin, where it has the meaning "out, out of, away, forth.'' It is found in such words as: exclude, exhale, exit, export, extract.
2. ex- is also used to mean "former;
   formerly having been'':
   ex-member (= former member).

ex.,  an abbreviation of:

1. examination.
2. examined.
3. example.
4. except.
5. exception.
6. exchange.

WordReference Random House Unabridged Dictionary of American English © 2026

ex¹  (eks), prep. 

1. Business [Finance.] without, not including, or without the right to have:
   ex interest; ex rights.
2. Business [Com.] free of charges to the purchaser until the time of removal from a specified place or thing:
   ex ship;
   ex warehouse;
   ex elevator.
3. Education (in U.S. colleges and universities) from, but not graduated with, the class of:
   ex '47.

• Latin. See ex-¹
• 1835–45

ex²  (eks), n. 

1. the letter X, x.

ex³  (eks), n. [Informal.]

1. Informal Terms a former spouse;
   ex-wife or ex-husband.

• by shortening 1820–30

ex⁴  (eks), adj. [Slang.]

1. Slang Terms excellent (def. 1).

• by shortening

ex-¹ :

1. a prefix meaning "out of,'' "from,'' and hence "utterly,'' "thoroughly,'' and sometimes imparting a privative or negative force or indicating a former title, status, etc.;
   freely used as an English formative:
   exstipulate;
   exterritorial;
   ex-president
   (former president);
   ex-member;
   ex-wife.

Also, e-, ef-. 

• Latin, combining form of ex, ē (preposition) out (of ), from, beyond

ex-² :

1. var. of exo-. 

ex-³ :

1. a prefix identical in meaning with ex- ¹, occurring before vowels in words of Greek origin:
   exarch; exegesis.

Also, ec-. 

• Greek combining form of ex, ek, out (of ), from, beyond; see ec-, ex-¹

Ex. :

1. Bible Exodus.

ex. ,

1. examination.
2. examined.
3. example.
4. except.
5. exception.
6. exchange.
7. excursion.
8. executed.
9. executive.
10. express.
11. extra.