auto-off

adjective

UK /ˌɔːtəʊ ˈɒf/

US /ˌɔːtoʊ ˈɔːf/

It turns itself off by itself.

The flashlight has an auto-off feature so it saves battery.

SYNONYMS

self-shutting automatic shutoff self-stopping auto-shutoff

RELATED WORDS

timer sleep mode power-saving standby shutdown

OTHER MEANINGS

2. A setting that makes a device stop working after a while.

Set the auto-off to ten minutes on the TV.

3. Stopping by itself without a person doing it.

The heater's auto-off kicked in when the room got warm.

4. A switch or button that turns something off automatically.

Press the auto-off button to save power.