Was the Central Powers defeated in World War 1.?

Yes, the Central Powers were defeated in World War I. The conflict, which lasted from 1914 to 1918, ended with the signing of armistices in late 1918, leading to the Treaty of Versailles in 1919. The Central Powers, primarily composed of Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria, faced military defeats and internal turmoil, ultimately resulting in their surrender.