The phrase "silent assassin" refers to a person or thing that quietly and secretly accomplishes a task with great precision and effectiveness, just like an assassin who acts without drawing attention. Full definition
The audience first meets the titular feline during the aforementioned massacre, barely escaping after his drug lord owner is killed by a pair of silent assassins and eventually landing on the doorstep of recently dumped stoner Rell (Peele), whose spirits are quickly lifted by the lovable kitten, which he renames Keanu. (blog.bullz-eye.com)
In the title role of John Wick, Keanu Reeves plays the sort of cool, silent assassin who has only a few dozen lines. (parallax-view.org)
The site also revealed that Tomb Raider, MLB 2K13 and Lego Batman 2: DC Superheroes will be available the 4th June digitally on Xbox on Demand, while the Hitman Contracts and Silent Assassin HD Double Pack arrives on the 11th June. (gamewatcher.com)