Definition of ex- in English:

ex-1

(also e-)

prefix

1Out: exclude excite
2Upward: extol
3Thoroughly: excruciate
4Denoting removal or release: excommunicate exculpate
5Forming verbs which denote inducement of a state: exasperate
6Forming nouns which denote a former state: ex-husband ex-convict

Origin

from Latin ex 'out of'.

Usage

Ex- is also found assimilated as ef- before f.

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Word of the day grammarian
Pronunciation: grəˈmɛːrɪən
noun
a person who studies and writes about grammar