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Synonyms

world war

American  

noun

  • world wars
    plural
  1. a war that involves most of the principal nations of the world.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of world war

First recorded in 1910–15

Example Sentences

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Seventeen years, a depression and world war later, Canada joined with the U.S. to create the postwar trading system.

From The Wall Street Journal Sep. 3, 2026

The second world war saw the loss of dinosaur fossils on both sides of the conflict.

From Science Daily Aug. 7, 2026

DST, which also helped conserve fuel during the first world war, was unpopular with farmers and was repealed after the war.

From BBC Jul. 14, 2026

Eliot theorized in his 1925 poem “The Hollow Men,” a bleak assessment of life after the first world war.

From Barron's Jun. 1, 2026

They knew there was a world war going on: It meant that they were cold and hungry, separated from family and home—some of them even from their own children.

From "A Thousand Sisters" by Elizabeth Wein

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