Main definitions of ex- in US English:

: ex-1ex-2

ex-1

(also e-)

prefix

  • 1Out; outside of.

    ‘expand’
    ‘express’
  • 2Up and away; upward.

    ‘extol’
    ‘excel’
  • 3Thoroughly.

    ‘excruciate’
    ‘exacerbate’
  • 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’
    one-time, erstwhile, sometime, late, as was
    View synonyms

Usage

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

Origin

From Latin ex ‘out of’.

Pronunciation

ex-

/ɛks//eks/

Main definitions of ex- in US English:

: ex-1ex-2

ex-2

prefix

  • Out.

    ‘exodus’
    ‘exorcism’

Origin

From Greek ex ‘out of’.

Pronunciation

ex-

/ɛks//eks/