Official/əˈfɪʃl/ Definition 1 of 3Pro Tip 1/3Authority Connection Used when someone speaks or acts on behalf of an organization or public body. The official spokesperson confirmed the new policy. Pro Tip 2/3Binding Decisions Indicates a decision or action has been formally agreed upon and must be followed. The official rules state that all players must wear helmets. Pro Tip 3/3Uniform Consistency Highlights uniformity in procedures or regulations within an organization. All official documents must be formatted the same way.