WordNet (r) 3.0 (2006):
War to End War n 1: a war between the allies (Russia, France, British Empire, Italy, United States, Japan, Rumania, Serbia, Belgium, Greece, Portugal, Montenegro) and the Central Powers (Germany, Austria-Hungary, Turkey, Bulgaria) from 1914 to 1918 [syn: World War I, World War 1, Great War, First World War, War to End War]