The term NBA OFFICIALS refers to the referees who officiate National Basketball Association (NBA) games. The four-letter solution for this term is REFS, which stands for referees. Referees are responsible for enforcing the rules of the game and making sure that the players abide by them. They also make decisions on fouls, violations, and other infractions. Referees must have a thorough knowledge of the rules and regulations of the game and must be able to make quick decisions in order to maintain the flow of the game.