Undercover infiltration 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 Infiltration


  • (noun) a process in which individuals (or small groups) penetrate an area (especially the military penetration of enemy positions without detection )
  • (noun) the slow passage of a liquid through a filtering medium