\ ˌan-​tē-​ˈra-​di-​kə-​ˌli-​zəman-​tī-​ \ 


1. opposed to or hostile toward radical movements or ideologies

2. medical : counteracting the harmful effects of free radicals on the body

Source: Meriam-Webster


❝ Anti Radicalism, also known as Anti-Extremism, is an ideology that's based around the belief that ideologies outside The Overton Window or movements that are Ideologically distant from the status quo are harmful to society as a whole.