01 v. t. To cause to forget, or to lose from memory, or to disbelieve what has been taught.
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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.
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2.
To cause to be forgotten; as, to unteach what has been learned.