Center on extremism

Glossary of Extremism

This database provides an overview of many of the terms most frequently used by a variety of extremist groups and movements.

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QAnon is a popular right-wing conspiracy theory centered around thousands of cryptic messages posted by a figure called "Q", who claimed to be an anonymous U.S. government official, on the 4chan and 8chan/8kun message boards beginning in... Read more

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Great Replacement / …

"The Great Replacement" conspiracy theory made significant headway into the mainstream in 2021. The theory alleges that people of color are "replacing" white people through immigration, birth rates and other economic, social and political means. While the... Read more

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ISIS stands for Islamic State of Iraq and Syria. Though it no longer holds territory in Iraq and Syria, it has persisted as an insurgent movement and seeks to reconstitute itself both in the Middle East and... Read more

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Neo-Nazis are one of the main segments of the white supremacist movement in the United States and many other countries. They revere Adolf Hitler and Nazi Germany and sometimes try to adopt Nazi principles to their own... Read more

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Goyim Defense League

The Goyim Defense League (GDL) is a loose network of individuals connected by their virulent antisemitism. GDL attracts a range of antisemites and white supremacists who are best known for their antisemitic stunts and schemes to troll... Read more

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New World Order

"New World Order" is a term used to refer to longstanding right-wing conspiracy theories about a socialist or communist one world government. These conspiracies have been popular for decades, but this term became particularly popular among anti-government... Read more

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Latest Terms

American Front

Founded in the 1980s, American Front is one of the oldest racist skinhead groups in the United States. In recent years, most of its members were from California and Florida. The group's logo consisted of stylized letters... Read more

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Al Hayat Media

Al Hayat Media Center is an ISIS media branch which specifically targets a Western audience. Established in 2014, it releases English-language or English-subtitled propaganda videos. It has also issued releases in French, German and Russian. Most of... Read more

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Al Furqan Media

Al Furqan Media is ISIS's oldest official media outlet, established in 2006. It releases attack reports and messages from ISIS leadership.

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AKIA is Ku Klux Klan shorthand for "A Klansman I Am." It is related to another Klan acronym, AYAK ("Are You A Klansman?"). These are among the many acronyms developed by the Second Ku Klux Klan that... Read more

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Ahmed Yassin

Ahmed Yassin

Ahmed Yassin was the co-founder of Hamas alongside Abdel Aziz Rantisi. Yassin served as the group's spiritual leader until he was killed by the Israeli military on March 22, 2004. Yassin encouraged Hamas's campaign of suicide bombing... Read more

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