1. to assign a grade or mark that is higher than what is deserved or justified
Usage: transitive verb; commonly used in educational contexts

Examples

• The teacher was accused of overgrading her students' essays.
• If you overgrade assignments, students won't understand their actual performance level.
• Some instructors overgrade to boost class morale, but this can harm learning.
• The principal warned teachers not to overgrade just to improve school statistics.
• Overgrading students does them a disservice in the long run.