spyglossary / SPY spy. One who secretly observes and collects secret information or intelligence about what another government or company is doing or plans to do; one who commits espionage. See ESPIONAGE. 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。