Definition of ex- in English:

ex-1

Syllabification: ex-
(also e-)

prefix

1Out; outside of: expand express
2Up and away; upward: excel extol
3Thoroughly: exacerbate excruciate
4Removal or release: excommunicate exculpate expel
5Forming verbs expressing inducement of a state: exasperate excite
6Forming nouns (from titles of office, status, etc.) expressing a former state: ex-husband ex-convict

Origin

from Latin ex 'out of'.

Usage

Ex- is assimilated as ef- before f (as in effeminate). Exfiltrate and exfoliate and their derivatives are exceptions.

More definitions of ex-

Definition of ex- in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day middlescent
Pronunciation: ˌmɪdəˈlɛs(ə)nt
adjective
middle-aged, but still maintaining youthful interests and activities