Once in the Akaali city, the away team begin surreptitious scans for the reactor.
From the en.wikipedia.org
It's not as surreptitious as a watch or pen, but it's less likely to be stolen.
From the usatoday.com
However, this surreptitious poisoning may be tough if Health Canada has a say.
From the infowars.com
Its surreptitious nature makes it difficult to judge the extent of its membership.
From the en.wikipedia.org
She could help prosecutors more than even Linda Tripp with her surreptitious tapes.
From the time.com
During young Emil's train journey, a surreptitious thief steals his money.
From the jsonline.com
The only business that would be conducted here tonight would be kind of surreptitious.
From the npr.org
Viruses and surreptitious code that monitors a phone's use may be next.
From the businessweek.com
In fact, women are awash with surreptitious passions and hidden longings.
From the him.uk.msn.com
More examples
Furtive: 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"
Clandestine: conducted with or marked by hidden aims or methods; "clandestine intelligence operations"; "cloak-and-dagger activities behind enemy lines"; "hole-and-corner intrigue"; "secret missions"; "a secret agent"; "secret sales of arms"; "surreptitious mobilization of troops"; "an ...
(surreptitiously) in a surreptitious manner; "he was watching her surreptitiously as she waited in the hotel lobby"
Stealthy, furtive, well hidden, covert (especially movements)
(adj.) stealthy (The surreptitious CIA agents were able to get in and out of the house without anyone noticing.)
(adj):obtained, done, made, etc., by stealth; secret or unauthorized