Alumni is masculine plural word used to call all the former students / pupils of school / college or university. Single male graduate is called Alumnus. Single Female Graduate is called Alumna.What is the difference between Alum and alumni?
Alumnus is used to refer to a male graduate or former student. Alumni is the plural of alumnus but can also be used to refer to a group of men and woman graduates/former students. Alumna is used to refer to a woman graduate or former student. Alumnae is the plural of alumna.