New antisemitism is the concept that a new form of antisemitism has developed in the late 20th and early 21st centuries, emanating simultaneously from the far-left, radical Islam, and the far-right, and tending to manifest itself as opposition to Zionism and the State of Israel. The concept generally posits that much of what purports to be criticism of Israel by various individuals and world bodies, is, in fact, tantamount to demonization, and that, together with an alleged international resurgence of attacks on Jews and Jewish symbols, and an increased acceptance of antisemitic beliefs in public discourse, such demonization represents an evolution in the appearance of antisemitic beliefs.

The Deep Roots of Anti-Semitism in European Society
Manfred Gerstenfeld