1
: a person who has attended or has graduated from a particular school, college, or university
an alumnus of Columbia University
—usually used of a man in the singular but often of men and women in the plural
2
: a person who is a former member, employee, contributor, or inmate
a Saturday Night Live alumnus

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Alumnus or Alumna?

Many people are comfortable using the word alumni to refer to someone who was a student of a particular school. However, others feel quite strongly that this is an error and that the following forms should be used: alumnus (for one male), alumni (for multiple males, or for a mix of males and females), alumna (for one female), and alumnae (for multiple females). The shortened form alum and its plural form alums began to be used in the 19th century. Initially, alum was widely viewed as highly colloquial or informal, but is increasing in use as a gender-neutral alternative.

Examples of alumnus in a Sentence

Her parents are alumni of the state university.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Max Harden, a Tampa native and Florida State alumnus, is a research fellow with the Mercatus Center at George Mason University. — Max Harden, The Orlando Sentinel, 29 Oct. 2026 Both schools will have their halftime homecoming, their school bands performing and lots of alumni in attendance, so throw out the records and prepare for the idea that anything could happen. — Eric Sondheimer, Los Angeles Times, 29 Oct. 2026 Football excitement was brought to Medstar Franklin Square Medical Center on Wednesday afternoon, with Baltimore Ravens alumni visiting to celebrate cancer survivors and their medical teams with a special tailgate party. — CBS News, 28 Oct. 2026 At Villanova University, all roads — or at least many of them — seem to lead to Rome, thanks to famed alumnus Pope Leo XIV and the school's growing ties to the Vatican. — ABC News, 27 Oct. 2026 See All Example Sentences for alumnus

Word History

Etymology

borrowed from Latin, "male nursing child, man produced by some formative agent (as a nation or race)," from alere "to nourish" + -mn-, mediopassive participle suffix — more at old entry 1

First Known Use

1645, in the meaning defined at sense 1

Time Traveler
The first known use of alumnus was in 1645

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Cite this Entry

“Alumnus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alumnus. Accessed 2 Nov. 2026.

Kids Definition

: a person who has attended or has graduated from a particular school, college, or university
Etymology

Latin, literally "foster son," from alere "to nourish" — related to alimentary, alma mater

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