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 译员黎川,在一家顶尖澳洲律师事务所的上海办公室担任全职法律翻译,擅长翻译涉及工业与制造业领域的法律文件。