Free from the risk of being intercepted or listened to by unauthorized persons, Reliable; dependable, Not exposed to danger; safe; -- applied to persons and things, and followed by against or from, transitive verb_ To make safe; to relieve from apprehensions of, or exposure to, danger; to guard; to protect, To make fast; to close or confine effectually; to render incapable of getting loose or escaping, To make certain; ensure