Definition of fail-safe

The noun fail-safe has 1 senses? (no senses from tagged texts)

(a mechanism capable of returning to a safe state in case there is a failure or malfunction)

The adj fail-safe has 2 senses? (no senses from tagged texts)

(guaranteed not to fail; "a fail-safe recipe for cheese souffle")

(eliminating danger by compensating automatically for a failure or malfunction; "a fail-safe device in a nuclear weapon to deactivate it automatically in the event of accident")