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Simon,毕业于亚洲一流的高级翻译学院,擅长翻译涉及金属和矿业领域的法律文件。