Synonyms: fail-safe
Definition: a mechanism capable of returning to a safe state in case there is a failure or malfunction
Similar words: mechanism
Definition: device consisting of a piece of machinery; has moving parts that perform some function
Synonyms: fail-safe
Definition: eliminating danger by compensating automatically for a failure or malfunction
Usage: a fail-safe device in a nuclear weapon to deactivate it automatically in the event of accident
Similar words: safe
Definition: free from danger or the risk of harm
Usage: a safe trip; you will be safe here; a safe place; a safe bet
Synonyms: fail-safe
Definition: guaranteed not to fail
Usage: a fail-safe recipe for cheese souffle
Similar words: secure
Definition: free from danger or risk
Usage: secure from harm; his fortune was secure; made a secure place for himself in his field