Noun
-
someone acting as an informer or decoy for the police
- stoolpigeon - stool pigeon -
someone who prowls or sneaks about
usually with unlawful intentions
-
a person who is regarded as underhanded and furtive and contemptible
Verb
-
pass on stealthily
"He slipped me the key when nobody was looking"
-
make off with belongings of others
-
put, bring, or take in a secretive or furtive manner
"sneak a look"
"sneak a cigarette"
-
to go stealthily or furtively
"..stead of sneaking around spying on the neighbor's house"
Adjective
-
marked by quiet and caution and secrecy
taking pains to avoid being observed
"a furtive manner"
"a sneak attack"
"stealthy footsteps"
"a surreptitious glance at his watch"