- plural of alumnus.
alumni
Americannoun
Usage
Plural word for alumni Alumni is the plural form of the singular noun alumnus. The plurals of several other words ending in -us are also formed in this way, such as fungus/fungi and cactus/cacti. Irregular plurals that are formed like alumni derive directly from their original pluralization in Latin. Specifically, alumnus is the masculine singular form in Latin and alumni is the masculine plural form. The feminine singular form in Latin is alumna and the feminine plural form is alumnae. Sometimes, this distinction is carried over into English. However, alumnus and alumni are both commonly used in a gender-neutral way in English. Alumni is sometimes treated as a singular noun. However, this is not considered valid in standard English, and alumni should be treated as a plural form.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Castelion was co-founded by three SpaceX alumni under the premise that a new manufacturer could design, test and produce weaponry more quickly than traditional defense contractors like RTX and Lockheed Martin.
From The Wall Street Journal ● Aug. 19, 2026
Other famous alumni include Paris Hilton, Nicole Richie and Kim Kardashian—all of whom became poster children for a later era of L.A. wealth.
From The Wall Street Journal ● Aug. 19, 2026
It counts many prominent Thai figures among its alumni, from diplomats and athletes to several prime ministers.
From BBC ● Aug. 7, 2026
They can pursue certifications tied directly to the role they want, shadow professionals, undertake projects that produce work samples and contact alumni for advice and introductions.
From MarketWatch ● Aug. 4, 2026
So when I took time out of my busy schedule and burdensome duties to attend a middle school basketball game, I expected to see orderly students, good sportsmanship, and happy alumni.
From "Ungifted" by Gordon Korman
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
