fail-safe
  • A device, piece of equipment, or system which continues to function properly after the failure of one or more components.
  • A device, piece of equipment, or system which continues to function safely after the failure of one or more components.
  • A component, circuit, device, piece of equipment, or system whose failure causes no significant damage.
  • A component, circuit, device, piece of equipment, or system designed to withstand most any circumstance without failing.

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