MISTEACH
v.t.[See Teach. ] To teach wrong; to instruct erroneously.
MISTEACHING
ppr. Instructing erroneously.
Mis *teach ", v. t. [imp. & p. p. Mistaught; p. pr. & vb. n.Misteaching. ] Etym: [AS. mist. ]
misteach
mis |teach |mɪsˈtiːtʃ | ▶verb ( past and past participle mistaught |-ˈtɔːt | ) [ with obj. ] teach (someone ) wrongly or incorrectly.