DICT.TW Dictionary Taiwan
Un·teach v. t.
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.
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unteach
v 1: cause to disbelieve; teach someone the contrary of what he
or she had learned earlier
2: cause to unlearn; "teach somebody to unlearn old habits or
methods"
[also: untaught]