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failsafe
noun
A device, mechanism or measure designed to make something fail-safe.
verb
To compensate automatically, in the event of a failure.
To make a device or mechanism fail-safe, or to add a fail-safe device or mechanism to an existing system.
adjective
That does not cause undue damage in the event of failure.
"The system is failsafe, because everything is backed up automatically."
Designed to shut off for safety if an emergency occurs.
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