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Meaning of word fail-safe from English dictionary with examples, synonyms and antonyms.

fail-safe   noun

Meaning : A mechanism capable of returning to a safe state in case there is a failure or malfunction.

fail-safe   adjective

Meaning : Guaranteed not to fail.

Example : A fail-safe recipe for cheese souffle.

Meaning : Eliminating danger by compensating automatically for a failure or malfunction.

Example : A fail-safe device in a nuclear weapon to deactivate it automatically in the event of accident.