Definition of Fail-safe

an emergency system that shuts down a machine if there is a critical failure

Examples of Fail-safe in a sentence

Your body has many fail-safes in place to prevent a dangerous rise in fever.  🔊

If the elevator is rising or falling too fast, it has a fail-safe installed that will stop it and save the people inside.  🔊

The iPhone has a built-in fail-safe that locks the device after several incorrect password attempts are made.  🔊

A nuclear power plant often has many fail-safes in place to shut the operation down before a meltdown overheat occurs.  🔊

While automated drones could be dangerous in combat, these ones have fail-safes installed that will shut them down if they get out of control.  🔊

Other words in the Security category:

Most Searched Words (with Video)