1. Move stealthily or furtively
   "… stead of sneaking around spying on the neighbour's house";
   - mouse, creep, pussyfoot [informal]
    
2. Put, bring, or take in a secretive or furtive manner
   "sneak a look"; "sneak a cigarette"
    
3. Pass on stealthily
   "He sneaked me the key when nobody was looking";
   - slip
    
4. [informal] Take by theft
   "He was going to sneak the phone someone had left behind";
   - hook [informal], snitch [informal], thieve, cop [informal], knock off [informal], glom [N. Amer, informal], boost [N. Amer, informal], pilfer, cabbage [archaic, informal], purloin [informal], pinch [Brit, informal], abstract [informal], snarf [N. Amer, informal], swipe [informal], filch [informal], nobble [Brit, informal], lift [informal], nick [Brit, informal], snatch [informal], whip [Brit, informal], blag [Brit, informal]

1. Someone who prowls or sneaks about, usually with unlawful intentions
   "The neighbourhood watch reported a sneak in the area last night";
   - prowler, stalker
    
2. A person who is regarded as underhanded and furtive and contemptible
   "Nobody trusted the office sneak, who was always eavesdropping on conversations"
    
3. Someone acting as an informer or decoy for the police
   "The sneak provided crucial information that led to the arrest of the drug dealer";
   - fink [N. Amer, informal], snitch [informal], snitcher [informal], stoolpigeon [informal], stool pigeon [informal], stoolie [N. Amer, informal], canary [N. Amer], grass [Brit, informal], snout [Brit, informal]
    
4. [N. Amer, informal] A canvas shoe with a pliable rubber sole
   "He wore comfortable sneaks for his daily jog";
   - gym shoe, sneaker, tennis shoe, trainer [Brit], runner [Austral, NZ, Ireland], takkie [Ireland, S.Africa, informal], tackie [Ireland, S.Africa, informal]

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

Derived forms: sneaks, sneaking, snuck, sneaked

See also: concealed

Type of: act, betrayer, blabber [informal], disagreeable person, give, hand, informer, interloper, intruder, move, pass, pass on, rat [informal], reach, rip [N. Amer, informal], rip off [informal], shoe, squealer, steal, trespasser, turn over, unpleasant person, walk

Encyclopedia: Sneak