Skip to definition.
Get the FREE one-click dictionary software for Windows.


Noun: infiltrator  'in`filtreytu(r)
  1. Someone who takes up a position surreptitiously for the purpose of espionage
     
  2. An intruder (as troops) with hostile intent

Derived forms: infiltrators

See also: infiltrate

Type of: interloper, intruder, spy, trespasser, undercover agent

Encyclopedia: Infiltrator