Words similar to undercover

Example sentences for: undercover

How can you use “undercover” in a sentence? Here are some example sentences to help you improve your vocabulary:

Critics give three reasons: 1) A buddy pairing of unusual moral complexity between an undercover agent (Johnny Depp) and his Mafia mentor (Al Pacino).
She's supposed to be an undercover insurance operative who's out to catch legendary burglar Sean Connery in the act of stealing a priceless Chinese mask--or is she actually a thief herself planning to bag the scrumptious Scotsman along with the motherlode?
A story exposes the undercover shilling of many Hollywood stars.
The more hard-core rooms, it seems, are now frequented largely by undercover agents.
Streep plays the role of Susan Traherne, a woman who works undercover in France during World War II and subsequently finds herself unable to cope with postwar British life.