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Definitions

alum

[al-uhm] / ˈæl əm /
NOUN
alumnus
Synonyms
Antonyms


NOUN
alumna
Synonyms
Antonyms


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.

Options already exist for fixing dyes without lead, including natural mordants derived from plants rich in tannins, such as oak bark, pomegranate peel and rosemary, as well as alum, which is considered environmentally safe.

From Science Daily • Apr. 2, 2026

When their bus breaks down on the way to a showcase, a troupe of ballerinas led by “Dance Moms” alum and one-time Sia protégée Maddie Ziegler becomes stranded in a remote hotel-bar-dungeon-arms factory outside Budapest.

From Salon • Mar. 29, 2026

It was a perfect role for the “Monty Python’s Flying Circus” alum, to whom dry humor comes as naturally as breathing.

From Los Angeles Times • Mar. 23, 2026

"Cosmically speaking, this fast radio burst is just in our neighborhood," says Kiyoshi Masui, associate professor of physics and affiliate of MIT's Kavli Institute for Astrophysics and Space Research, and a U of T alum.

From Science Daily • Mar. 15, 2026

We were not allowed profanity or even obvious sarcasm, but Bailey looped his language around his tongue and issued it out to Mother in alum drops.

From "I Know Why the Caged Bird Sings" by Maya Angelou