Definition of master spy in English:

master spy

nounmaster spies

  • A highly proficient spy.

    ‘he joined the Secret Service and soon became a master spy’
    • ‘He even created an Irish identity for one of his master spies.’
    • ‘With the awareness and guile of a master spy, he begins to realise he is being watched.’
    • ‘The other was a highly educated, enormously well-read, famously cool-headed master spy.’
    • ‘He could be the next great master spy.’
    • ‘Does that sound like the work of a master spy to you?’
    • ‘He travelled in disguise to Dresden to meet the master spy in person.’
    • ‘He joined the Secret Service and soon became a master spy.’
    • ‘He earned a reputation as a master spy and covert operator.’
    • ‘He is often dubbed their master spy for stealing, begging and borrowing the technology.’
    • ‘They sent a master spy to try to blow up the summit.’