Noun: infiltrator in'fil,trey-tu(r) or 'in-fil,trey-tu(r) [N. Amer], 'in-fil,trey-tu(r) [Brit]
- Someone who takes up a position surreptitiously for the purpose of espionage
"The infiltrator gathered sensitive information over several months within the organization"
- An intruder (as troops) with hostile intent
"The infiltrators managed to breach the perimeter undetected"
Derived forms: infiltrators
Type of: interloper, intruder, spy, trespasser, undercover agent
Encyclopedia: Infiltrator