• synonyms


verb (used with object), un·taught, un·teach·ing.
  1. to cause to be forgotten or disbelieved, as by contrary teaching.
  2. to cause to forget or disbelieve something previously taught.
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Origin of unteach

First recorded in 1525–35; un-2 + teach
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for unteach

Historical Examples

  • It was you who taught me to disdain adulation: will you unteach your pupil?'

    The Last Days of Pompeii

    Edward George Bulwer-Lytton

  • As experience in the past has not taught it, experience in the future cannot unteach it.

  • That Elder Berries are poison, as we are taught by tradition, experience will unteach us.

British Dictionary definitions for unteach


verb -teaches, -teaching or -taught (tr) rare
  1. to cause to disbelieve (teaching)
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012