Definition of ad extra in English:

ad extra

adverb

Theology
  • With effect or result in the outside world (as opposed to one's own mind, self, etc.); in the world at large; externally, perceivably; especially (Theology) with reference to an action or characteristic of God which is communicable to the world beyond the Persons of the Trinity. Opposed to ad intra.

adjective

Theology
  • Designating an action that has an effect or result in the outside world; exteriorized, perceivable, external; (Theology) designating or relating to an action or characteristic of God which is communicable beyond the Persons of the Trinity. Opposed to ad intra.

Origin

Early 17th century; earliest use found in Thomas Morton (d. ?1647), colonist in America. From post-classical Latin ad extra towards the outside from classical Latin ad to, towards + extrā.

Pronunciation:

ad extra

/ˌad ˈɛkstrə/