#1
sneaky s. [
underhand, underhanded] marked by deception; "achieved success in business only by underhand methods"
. wn #2
sneaky s. [
furtive, sneak, stealthy, surreptitious] 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"
. wn