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South Vietnam

American  

noun

  1. a former country in SE Asia that comprised Vietnam S of about 17° N latitude; a separate state 1954–75; now part of reunified Vietnam. Saigon.


South Vietnam British  

noun

  1. a former republic (1955–76) occupying the S of present-day Vietnam on the South China Sea and the Gulf of Thailand

"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

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Example Sentences

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The army of South Vietnam, having fought successfully for two years after the U.S. withdrawal of combat personnel, was nevertheless in a comparatively weaker state.

From The Wall Street Journal Jul. 24, 2026

Linh said her uncle arrived in California over 40 years ago from South Vietnam and raised his family in and around San José.

From Los Angeles Times Sep. 10, 2025

The U.S. first sent ground troops to Vietnam in March 1965 to support South Vietnam against revolutionary forces and North Vietnamese troops, but the war had been going on for years before then.

From Salon Apr. 30, 2025

Mr. Sasser was stationed in the Mekong Delta, a riverine agricultural hub in South Vietnam that the Viet Cong could easily reach by crossing the nearby Cambodian border.

From New York Times May 31, 2024

The North Vietnamese agreed to accept South Vietnam as a separate country, and a cease-fire was established.On the same day, in Washington, DC, the Selective Service announced the end of the draft.

From "Boots on the Ground: America's War in Vietnam" by Elizabeth Partridge

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