failover.

The switch to a backup system when the main system fails or becomes unavailable.

Use it for

Words that belong together

• automatic failover
• failover mechanism

On the page

Automatic failover kept the air monitors active during the server fault.

Usage notes

Primary category: sci-fi. Forms: Countable or uncountable by context; countable singular failover; plural failovers. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.