Longman Dictionary of Contemporary English homepage

undercover

adjective
     
Related topics: Crime and Law
un‧der‧cov‧er [only before noun]
SC undercover work is done secretly by the police in order to catch criminals or find out information:
undercover policeman/cop/agent etc
undercover detectives
undercover adverb:
a cop who goes undercover to catch drug dealers
He worked undercover in Germany and Northern Ireland.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary