unteach
v. போதனையைப் பயனற்றதாகச் செய், போதனையழி, போதனை மாற்று.
Un*teach", v. t. Etym: [1st pref. un- + teach.] 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.