graymailglossary / GRAYMAIL graymail. A criminal defendant’s threat to reveal classified information during the trial in the hope of forcing the government to drop the criminal charge. Cf. BLACKMAIL(1); GREENMAIL(1), (2); FEEMAIL. 词条贡献者 译者Eugina,毕业于一所旨在培养高级翻译专业人才的翻译院校,擅长翻译涉及国防和军工领域的法律文件。