Definition of unchurch in English:

unchurch

verb

[WITH OBJECT]
  • 1 Officially exclude (someone) from participation in the Christian sacraments; excommunicate.

    • ‘Midlife, he was unchurched, and his excommunication placed him in a state of dejection.’
    1. 1.1 Deprive (a building) of its status as a church.
      • ‘At one time it was unchurched altogether, then restored to a certain status, and again Cromwell degraded the venerable pile to the level of a stable.’

Pronunciation:

unchurch

/ʌnˈtʃəːtʃ/