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1. To go stealthily or furtively
   "..stead of sneaking around spying on the neighbour's house";
   - mouse, creep, 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
   - pilfer, cabbage, purloin, pinch [Brit], abstract, snarf [N. Amer], swipe, hook, filch [informal], nobble [Brit], lift, whip [Brit], nick [Brit, informal], snatch
    
4. Pass on stealthily
   "He sneaked me the key when nobody was looking";
   - slip

1. A person who is regarded as underhanded and furtive and contemptible
    
2. Someone who prowls or sneaks about; usually with unlawful intentions
   - prowler, stalker
    
3. Someone acting as an informer or decoy for the police
   - fink [N. Amer], snitch, snitcher, stoolpigeon, stool pigeon, stoolie [N. Amer], sneaker, canary [N. Amer], grass [Brit]

1. Marked by quiet and caution and secrecy; taking pains to avoid being observed
   "a sneak attack";
   - furtive, sneaky, stealthy, surreptitious

Derived forms: sneaks, sneaked, snuck, sneaking

See also: concealed, sneak away

Type of: act, betrayer, blabber, disagreeable person, give, hand, informer, interloper, intruder, move, pass, pass on, rat, reach, squealer, steal, trespasser, turn over, unpleasant person, walk

Encyclopedia: Sneak