The term 'Grade Lowerers' can be summarized as 'Minuses' (7 letters). Grade Lowerers are people or things that lower the grades of students. This could include teachers who give difficult assignments, tests, or exams, or it could refer to external factors such as a student's home life or lack of resources. Grade Lowerers can also refer to the negative aspects of a student's performance, such as poor attendance or lack of effort.