One who directs clandestine intelligence activities.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "spymaster" in a sentence
"MOSCOW Reuters - Russia's domestic intelligence agency said on Tuesday that it had established the guilt of a man local media have identified as the spymaster who betrayed a ring of agents operating in the United States last year."
"She also found material about Judah Benjamin, secretary of state for the Confederacy and a southern "spymaster," as well as other Jewish spies on both sides."
"- Over the past few days, perhaps you've seen a few tweets pop up in your stream from people you follow that end with the "spymaster" hashtag."