Vietnam
Americannoun
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Official Name Socialist Republic of Vietnam. a country in Southeast Asia, comprising the former states of Annam, Tonkin, and Cochinchina: formerly part of French Indochina; divided into North Vietnam and South Vietnam during the Vietnam War but now reunified. 126,104 sq. mi. (326,609 sq. km). Hanoi.
noun
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The Geneva Conference of 1954 divided Vietnam into North Vietnam, controlled by communists, and South Vietnam, controlled by noncommunists.
In the Vietnam War of 1954–1975, South Vietnam, which was aided by the United States, fought communist insurgents, who were aided by North Vietnam. The war ended when the communists overran the south in 1975. The country was reunified in 1976.
American involvement in the Vietnam War was strongly protested in the United States.
Between 1978 and 1979, Vietnam invaded Cambodia and installed a puppet government.
Vietnam was under the control of France from the second half of the nineteenth century until World War II, when it was occupied by the Japanese. The country became an autonomous state in 1946. France's attempts to reassert control resulted in the French Indochina War (1946–1954), in which the French were defeated.
Great numbers of Vietnamese refugees, known as boat people, fled the country in the aftermath of the war.
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.
While US tariffs are similar for apparel exporters across Asia, analysts say Bangladesh faces a greater challenge in Europe, its largest market, where India and Vietnam have gained ground through free-trade agreements.
From Barron's ● Aug. 5, 2026
He fought in the Vietnam War and went on to graduate from Pace University with a degree in drama.
From Los Angeles Times ● Aug. 1, 2026
He enlisted in the US Navy during the Vietnam War before embarking on a career in acting.
From BBC ● Aug. 1, 2026
I enlisted when I was 19 and served in Vietnam with the 4th Infantry and 1st Cav. from May 1970 to June 1971.
From The Wall Street Journal ● Jul. 30, 2026
He assured Thieu that the United States was not abandoning South Vietnam, that Nixon would continue the bombing as long as necessary.
From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin
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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.