Updated 2020 Version — Systemic, systematic, institutional, political, social, casual; overt, and covert; modern and transhistorical; common and uncommon; intentional and unintentional; forms of bigotry, chauvinism, prejudice, discrimination, oppression, marginalization, violence, and more. The following article is an updated and improved list of societal and political “Isms”, inspired by the various incomplete and often semi-incorrect “Know Your Isms” lists which were created and regurgitated — but rarely updated nor corrected — across multiple social media platforms.