sedition actglossary / SEDITION ACT Sedition Act. Hist. A 1798 federal statute that prohibited the malicious publication of defamatory material about the government, Congress, or the President. • The act expired in 1801. 词条贡献者 译者晓晨,毕业于世界顶级翻译学院,擅长翻译各种与反垄断咨询与合规相关的法律文件。