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 译者Mathew,国际知名法学院国际仲裁与争端解决专业,擅长翻译各种与美国国内仲裁相关的法律文件。