The term 'block; hinder' can be summarized as an action of obstruction. This means to prevent or impede the progress of something, such as a person or an object. The word 'OBSTRUCT' is an 8-letter synonym for this term, and it is often used in a legal context to refer to the act of preventing someone from doing something. In everyday language, it is also used to describe an action that prevents something from happening or progressing.