Noun mobster has 1 sense
  1. gangster, mobster - a criminal who is a member of gang
    --1 is a kind of criminal, felon, crook, outlaw, malefactor
    --1 is a member of gang, pack, ring, mob
    --1 has particulars:
     apache; yakuza; yardie; Capone, Al Capone, Alphonse Capone, Scarface
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