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internment

American  
[in-turn-muhnt] / ɪnˈtɜrn mənt /

noun

internments plural
  1. an act or instance of interning, or confining a person or ship to prescribed limits during wartime.

    the internment of Japanese Americans during World War II.

  2. the state of being interned; confinement.


internment British  
/ ɪnˈtɜːnmənt /

noun

    1. the act of interning or state of being interned, esp of enemy citizens in wartime or of terrorism suspects

    2. ( as modifier )

      an internment camp

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of internment

First recorded in 1865–70; intern 2 + -ment

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Explanation

Internment means putting a person in prison or other kind of detention, generally in wartime. During World War II, the American government put Japanese-Americans in internment camps, fearing they might be loyal to Japan. Internment usually doesn’t involve a trial, so you're being held because someone thinks you might be dangerous, but there’s no proof. The internment of Japanese-Americans during World War II is now widely considered to have been a terrible mistake, in that the citizens who were detained — some for as long as four years — were not traitors, but loyal Americans, and their internment caused them considerable emotional and economic hardship. Internment comes from the Latin internus, “inward.”

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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.

In California, language related to the internment of Japanese Americans at the Manzanar National Historic Site, as well as the history of Indigenous people in Death Valley and Muir Woods came under scrutiny.

From Los Angeles Times • Jun. 13, 2026

Ms. Gage deals with it by visiting the remnants of a Japanese internment camp at Manzanar, Calif., and the research facility in Los Alamos, N.M., where U.S. government scientists built the atomic bomb.

From The Wall Street Journal • Apr. 1, 2026

The overt racism and grotesque unfairness of Japanese-American internment eventually provoked some degree of societal reckoning, if only years later.

From Salon • Jul. 6, 2025

He was detained in the early 1970s when the government in Northern Ireland introduced internment without trial for those suspected of paramilitary involvement.

From BBC • Apr. 29, 2025

But there is no escaping the fact that our internment accelerated the process, made it happen so suddenly it was almost tangible.

From "Farewell to Manzanar" by Jeanne Houston

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