1. Impede VerbHinder
Be a hindrance or obstacle to.
She is impeding the progress of our project.
Block passage through.
Obstruct the path.
Block, Close Up, Impede, Jam, Obstruct, Obturate, Occlude - block passage through.
Keep, Prevent - stop (someone or something) from doing something or being in a certain state.
Stunt - check the growth or development of.
Be, Exist - have an existence, be extant; "Do ghosts really exist?".
Block, Blocking - the act of obstructing or deflecting someone's movements.
Hinderance, Hindrance, Interference - the act of hindering or obstructing or impeding.
Passage, Transition - the act of passing from one state or place to the next.
Through - (of a route or journey etc.) continuing without requiring stops or changes; "a through street".