visa
sneaky, sly, silent, undetectable,
The word stealthy is an adjective, a word to describe a noun as done or made in a cautious and surreptitious manner, so as not to be seen or heard; furtive, secret, underhanded (stealthy footsteps).The noun forms are stealth and stealthiness.The adverb form, a word to modify a verb, is stealthily.The nearest verb form is to steal; to take property without permission or legal right without intention of returning it.
The cat is quite a stealthy and crafty creature! :]
The nervous robber took stealthy glances at the cash register.
Stealthy
The new fighter jet had a stealthy appearance.The secret agent moved stealthy in the darkness of the night.
A likely word is "stealthy."
Walk stealthy.
stealthier, stealthiest
orang gus
clandestine
Stealthy means being marked by or acting with quiet, caution, and secrecy intended to avoid notice. See synonyms at http://www.answers.com/topic/secret.