1. past tense and past participle of misteach; taught incorrectly or badly

Examples

• The students were mistaught basic math concepts in their previous school.
• She realized she had been mistaught proper grammar rules.
• The children were mistaught about historical events.
• He discovered he had mistaught his own students for years.
• The class was mistaught the fundamentals of science.
• They were mistaught pronunciation by their first teacher.