infiltrant
infiltrator
mole
operative
sleeper agent
spook
espiocrat
spywork
case officer
secret agentry
ghost
counterspy
antispy
spookshow
legal
nark
undie
snooper
snoop
stealthiness
espionage network
spylike
cut-out
cyberespionage
non-official cover
bridge agent
snooping
come in from the cold
spymaster
spy ring
dangle
pass through
CHIS
stealth
hugger-mugger
joe
coinfiltrate
on the Q.T.
hidelings
spookspeak
bespy
spier
plant
alphabet
spy
provocateur
cover
shadower
tail
jasoos
copper's nark
illegal
shadow
counterspying
Stasi
spookdom
hidingly
black bag operation
glowie
undercover
rezident
double agent
co-spy
spydom
espionage agent
Romeo
peeper
tradecraft
mouchard
foreign agent
shadowing
gumshoe
disquisitor
spying
agent provocateur
MI5
spycraft
subagent
secret service
stalky
antispying
MI6
stay-behind
agent-in-place
sleeper
fedpost
company man
operational cell
backstair
discreetly
spookmaster
secret agent

English words for 'An infiltrator; a spy who covertly enters a territory or organisation.'

As you may have noticed, above you will find words for "An infiltrator; a spy who covertly enters a territory or organisation.". Hover the mouse over the word you'd like to know more about to view its definition. Click search related words by phrase or description. to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.

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