alumnus
/əˈlʌmnəs/noun
A former student of a school, college, or university, especially one who graduated.
Example sentences
- “As an alumnus of the college, he often returns for reunions.”
- “The famous alumnus donated money for a new library.”
- “Each alumnus received an invitation to the school's anniversary dinner.”
The plural is 'alumni'; for a woman, traditional usage has 'alumna' (plural 'alumnae'). Informal English often uses 'alum' for anyone.