adj 1: marked by deception; "achieved success in business only by
underhand methods" [syn: underhand, underhanded]
2: marked by quiet and caution and secrecy; taking pains to
avoid being observed; "a furtive manner"; "a lurking
prowler"; "a sneak attack"; "stealthy footsteps"; "a
surreptitious glance at his watch"; "someone skulking in
the shadows" [syn: furtive, lurking, skulking, sneak(a), stealthy, surreptitious]