1. a person who uses something incorrectly or improperly

Examples

• The software company identified several misusers who were violating the terms of service.
• As a misuser of company resources, he faced disciplinary action.
• The library banned the misuser who repeatedly damaged books.
• Drug misusers often require professional help and support.
• The misuser of the equipment caused significant damage to the machinery.
• Teachers can help identify misusers of technology in the classroom.