Undercover surveillance Synonyms

Definitions for Undercover


  • (adjective) undertaken or done so as to escape being observed or known by others
  • (adjective) working on missions in which one's objectives, activities, or true identity are not publicly revealed
  • (noun) a person who tries secretly to obtain information for one country in the territory of another usually unfriendly country

Definitions for Surveillance


  • (noun) the duty or function of watching or guarding for the sake of proper direction or control
  • (noun) an act or period of watching for signs of activity , danger , or opportunity
  • (noun) close observation of a person or group (usually by the police)