What does "undercover" mean? Does it have the same meaning as hiding?
It is similar to hiding! "Undercover" means someone hidden as something else. It also means secretive. Ex: This is an undercover police investigation. I can't tell you anything about it. Ex: I'm a spy, but I'm undercover as an artist working in this gallery! Ex: Are you undercover?
Aprende más expresiones típicas del inglés. >