a person who tries secretly to obtain information for one country in the territory of another usually unfriendly countryfor years we have had a mole in the enemy's national intelligence agency
for years we have had a mole in the enemy's national intelligence agency
agent, asset, emissary, intelligencer, operative, spook, spy, undercover
couriercounterspy, double agent, sleeperinfiltrator, informer, stool pigeonspymaster, superspy
secret agent, undercover agent
in the 14th century
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。