unteach Meaning, Definition & Usage

  1. verb cause to disbelieve; teach someone the contrary of what he or she had learned earlier
  2. verb cause to unlearn
    • teach somebody to unlearn old habits or methods

WordNet

Un*teach" transitive verb
Etymology
1st pref. un- + teach.
Definitions
  1. To cause to forget, or to lose from memory, or to disbelieve what has been taught.
    Experience will unteach us. Sir T. Browne.
    One breast laid open were a school Which would unteach mankind the lust to shine or rule. Byron.
  2. To cause to be forgotten; as, to unteach what has been learned. Dryden.

Webster 1913