goes, went, gone, going
to go off
phrasal verbC
To stop functioning or cease to operate
- 1The alarm clock went off at 7 AM.
- 2The lights went off during the storm.
When something goes off, it means it stops working or doesn't operate anymore. For example, if a light bulb goes off, it means it stops shining. It can also refer to alarms or electronic devices that suddenly stop working.
Remember that "to go off" can also refer to food or drinks that have spoiled or become bad. So, if someone says "this milk has gone off," it means it is no longer good to consume.
in a grocery store
Unexpected Power Outage
Rebecca
I was about to pay, but the cash register just went off.
Jessica
Oh no, that's inconvenient. I hope they fix it soon.
Rebecca
Yeah, I guess we'll have to wait a bit.
Jessica
Let's check if other registers are working.
during a business presentation
Technical Difficulties During the Presentation
Brian
Everything was going smoothly until the projector went off.
Barbara
Oh no, that's unfortunate. Do you have a backup plan?
Brian
Yes, I have the slides on my laptop. I'll use that instead.
Barbara
Great thinking! Let's get it set up quickly.
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Similar to "to go off":
- 1break down
- 2stop working