WordNet
undercover work
n. the act of keeping a secret watch for intelligence purposes [syn: spying]
Usage examples of "undercover work".
Several narcotics agents that he had known had posed as dealers in their undercover work and wound up selling like hash and then, sometimes, even smack.
He's gung-ho at his job, and he's done some undercover work before.
Am I to believe you've been doing undercover work on Tangier Island and you never bothered to let me know?
It was easy to see why he would be useful - his diminutive frame and modesty were advantages in undercover work.
With undercover work, the danger of sympathizing with the criminals ran high.
He needed his family far more than he needed the outlet of his undercover work.