RichThesaurus
infiltrator
infiltrator
synonyms
plant
spy
mole
secret agent
agent
spook
interloper
operative
intelligencer
undercover agent
informer
informant
intruder
double agent
invader
trespasser
prowler
thief
raider
encroacher
burglar
gatecrasher
stoolie
unwanted person
meddler
peacher
stranger
nuisance
nose
unwanted visitor
narc
traitor
supergrass
shelf
obtruder
nark
snooper
provocateur
robber
squatter
pimp
tattletale
tale teller
snout
outsider
turncoat
snitch
tout
snake in the grass
interferer
infiltrator
definitions
noun
One who infiltrates an organization or territory; an undercover or covert agent.