RichThesaurus
intelligencer
intelligencer
synonyms
spy
secret agent
spook
plant
mole
undercover agent
operative
agent
beagle
double agent
informer
infiltrator
stoolie
betrayer
supergrass
fink
snitch
nose
nark
tout
fifth columnist
squealer
shelf
pimp
snout
fizgig
informant
grass
counterspy
rat
stool pigeon
snooper
scout
emissary
whistle-blower
foreign agent
finger
clype
snake in the grass
lurcher
patrol
peacher
telltale
sleeper
undie
sleuth
picket
investigator
runner
interloper
more synonyms
intelligencer
antonyms
sender
receiver