Vietnam UK /ˌviːətˈnɑːm/US /ˌvi.ɪtˈnɑm/ noun4 •A country in Southeast Asia. Official name: Socialist Republic of Vietnam. Capital: Hanoi. •A long and protracted war or conflict in which the dominating foreign occupier is unable to secure a victory.France's Vietnam (the Algerian War or First Indochina War) •(US, slang) A situation in which one cannot win.Everyone was miserable, including Coppola. "It was my Vietnam," he moaned a few months later. — 1989 •(US, slang) A place that is very dangerous, especially if afflicted by violence.Welcome back to Vietnam, California. — 1992 formsVietnams
