sneak


sneak (http://definr.com/sneak)

     adj : 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), sneaky, stealthy, surreptitious]
     n 1: someone who prowls or sneaks about; usually with unlawful
          intentions [syn: prowler, stalker]
     2: someone acting as an informer or decoy for the police [syn:
        fink, snitch, snitcher, stoolpigeon, stoolie, sneaker,
         canary]
     v 1: to go stealthily or furtively: "..stead of sneaking around
          spying on the neighbor's house" [syn: mouse, creep,
          steal, pussyfoot]
     2: put, bring, or take in a secretive or furtive manner: "sneak
        a look"; "sneak a cigarette"
     3: make off with belongings of others [syn: pilfer, cabbage,
         purloin, pinch, abstract, snarf, swipe, hook,
         filch, nobble, lift]
     4: pass on stealthily; "He slipped me the key when nobody was
        looking" [syn: slip]