Blocking meaning : To fill (something) so that it is not possible to pass. To prevent (something or someone) from passing. To prevent (something from happening or someone from doing something). To impede an opponent. To specify the positions and movements of the actors. To hit with a block. To play a block shot. To disable communication via telephone, instant messaging, etc., with an undesirable someone. To wait. To stretch or mould (a knitted item, a hat, etc.) into the desired shape. To shape or sketch out roughly. The act by which something is blocked; an obstruction. The precise movement and positioning of actors on a stage in order to facilitate the performance of a play, ballet, film or opera (originally planned using miniature blocks). Blocks used to support (a building, etc.) temporarily. A feature that prevents a keyboard from registering multiple simultaneous keypresses that would cause ghosting.