English edit

Etymology edit

un- +‎ baptize

Verb edit

unbaptize (third-person singular simple present unbaptizes, present participle unbaptizing, simple past and past participle unbaptized)

  1. (transitive) To undo the process of baptism for (someone).
    • 1817, Robert Southey, History of Brazil, volume 2, page 296:
      Niezu soon arrived to enjoy his triumph, and unbaptize the children of the Reduction. This curious ceremony was performed by washing the head with hot water, rubbing sand upon the tongue, and scraping it with a shell []