Overview of noun fail-safe

The noun fail-safe has 1 sense

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

Overview of adj fail-safe

The adj fail-safe has 2 senses

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


• fail-safe -- (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")