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.

(computing) To automatically switch processing from a failed component in a critical system to its live spare or backup component.

Of a device: such that, if it fails, it does so in a way that will cause little or no harm to other devices and personnel.

simple past tense and past participle of fail at life

present participle of fail at life

(Internet slang) To be or become trapped in poverty, or in a situation where someone is not doing anything productive with their lives; to become a loser.

(UK, slang, derogatory) The Daily Mail newspaper.

Third-person singular simple present indicative form of fail-safe

plural of fail-safe

Alternative form of feal and divot