if food or drink goes off, it is no longer fresh
Example: All the lights in the building suddenly went off.
if something such as a light or an electricity supply goes off, it stops working or being available
Example: And if we break up, I can borrow Dad's car and go off on long, moody drives at weekends.
to become worse in quality
Example: Dave’s gone off to the south of France for the summer.
to explode, or to be fired
Example: He just went off on her for no apparent reason.
to happen in a particular way
Example: He used to go off sometimes by himself, that's all I'm saying.
to leave a place, especially for a particular purpose
Example: He went off to have lunch in the canteen at one o’clock.
to start making a noise as a signal or warning
Example: His work has really gone off recently.
to start to sleep
Example: I took a lot of flak for letting the two of you go off without first informing the Special Forces Brigade.
to stop liking someone or something
Example: I was just lying in bed waiting for the alarm to go off.
to suddenly become angry and start shouting
Example: I went off the idea of buying a sports car after I found out how much it would cost.
