noun
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of expulsion
1350–1400; Middle English < Latin expulsiōn- (stem of expulsiō ), equivalent to expuls ( us ) driven out (past participle of expellere to expel ) + -iōn- -ion
Explanation
Don't ever make a joke about a bomb on an airplane, if you don't want to risk expulsion. Expulsion is being kicked out of something, like a club, a school, or an airplane. If a Girl Scout ate all the cookies she'd already sold, she might face expulsion from her Girl Scout troop, and an unruly high school student who threatens to hit a teacher risks expulsion from school. Historically, many religious and minority groups faced expulsion from countries where their beliefs weren't tolerated. In fact, the Latin root word of expulsion is expellere, "to drive out."
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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.
The lawsuit also seeks to stop Equatorial Guinea's onward expulsion of the deportees to their home countries.
From Barron's • Jun. 12, 2026
In February, Gannon Ken Van Dyke, a U.S. army soldier, placed a $400k bet on the expulsion of former Venezuelan President Nicolás Maduro using inside information.
From Salon • May 24, 2026
Pratt said he was kicked off the team and narrowly avoided expulsion from the school.
From Los Angeles Times • May 21, 2026
When someone asked about “pét nat” wines—short for pétillant naturel, a trendy sparkling variety—one young techie pulled faces that would trigger expulsion from a Swiss lyceum.
From The Wall Street Journal • May 18, 2026
Probably he had said to someone to give something the old college try, and that had finished him; that would probably be grounds for expulsion at Harvard.
From "A Separate Peace" by John Knowles
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.
