Definition of ex ante in English:

ex ante

Pronunciation /ˌeks ˈantē/ /ˌɛks ˈænti/

adjective

  • Based on forecasts rather than actual results.

    • ‘an ex ante estimate’

adverb

  • In a way that is based on forecasts rather than actual results.

    • ‘the risk is difficult to quantify ex ante’

Origin

Modern Latin, from Latin ex ‘from, out of’ + ante ‘before’.