The term 'REFUSE ENTRY' can be summarized by the three letter word 'BAR'. This term is commonly used to describe a physical or metaphorical barrier that prevents someone from entering a certain area. It is often used in the context of security, such as when a bouncer at a nightclub refuses entry to someone who does not meet the dress code. It can also be used in a more figurative sense, such as when a person is barred from entering a conversation or a country.