Unteach /(?)/

Un·teach

Unteach

v. t.
  1. To cause to forget, or to lose from memory, or to disbelieve what has been taught.
    Experience will unteach us.
    One breast laid open were a school Which would unteach mankind the lust to shine or rule.
  2. To cause to be forgotten; as, to unteach what has been learned.