Anti-Semitism is hostility to and prejudice against Jewish people.
anti-Semitism in American English
(ˌæntiˈsemɪˌtɪzəm, ˌæntai-)
noun
discrimination against or prejudice or hostility toward Jews
Word origin
[1880–85]This word is first recorded in the period 1880–85. Other words that entered Englishat around the same time include: Chief of Staff, barnstorm, interface, quotation mark, rain check