[{"Bold_text": "adjective", "List Items": ["Electronics.pertaining to or noting a mechanism built into a system, as in an early warning system or a nuclear reactor, for insuring safety should the system fail to operate properly.", "equipped with a secondary system that insures continued operation even if the primary system fails.", "(sometimes initial capital letter)of, relating to, or designating a system of coded military controls in which bombers dispatched to a prearranged point as part of a standard operating procedure cannot advance farther without direct orders from a designated authority and cannot have the nuclear warheads they carry armed until they have passed their prearranged point.", "guaranteed to work; totally reliable:a fail-safe recipe for a cheese soufflé."]}, {"Bold_text": "noun", "List Items": ["(sometimes initial capital letter)the point beyond which the bombers cannot go without specific instruction; the fail-safe point.", "something designed to work or function automatically to prevent breakdown of a mechanism, system, or the like."]}, {"Bold_text": "verb (used with object)", "List Items": ["to make fail-safe."]}]