1. the act or instance of teaching or instructing incorrectly or poorly
Usage: often used in educational contexts to describe inadequate instruction

1. to teach or instruct (someone) incorrectly or inadequately
Usage: third-person singular present or present participle form

Examples

• The mistutoring of basic mathematics concepts left students unprepared for advanced courses.
• She complained that her previous tutor was mistutoring her in French pronunciation.
• Mistutoring can have long-term negative effects on a student's academic confidence.
• The school investigated claims of mistutoring in the science department.
• He realized he had been mistutoring his younger brother in algebra and corrected his approach.
• Mistutoring often stems from a tutor's own gaps in subject knowledge.