Mos ‧ ley, Sir Oswald /ˈməʊzli/ BrE AmE
(1896–1980) a British politician with extreme ↑ right-wing ideas. He was a Member of Parliament from 1918 to 1931, but in 1932 he started a new political group called the British Union of Fascists (BUF). Mosley admired Mussolini and Hitler, and the BUF organized attacks on Jewish people in London.