speech clauseglossary / SPEECH CLAUSE Speech Clause. The First Amendment provision that “Congress shall make no law … abridging the freedom of speech.” U.S. Const. amend I. — Also termed Freedom of Speech Clause. 词条贡献者 双语律师William,国内知名法学院金融专业,擅长翻译各类与投资基金、投资顾问及金融衍生工具相关的法律文件。