stealthy
adjective
[ ˈstɛlθi ]
• behaving or done in a cautious and surreptitious manner, so as not to be seen or heard.
• "stealthy footsteps"
Similar:
furtive,
secretive,
secret,
surreptitious,
sneaking,
sly,
skulking,
slinking,
clandestine,
hidden,
covert,
cloaked,
conspiratorial,
under the table,
black,
