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went off; gone off; going off; goes off
Definition of go off
1 : explode
2 : to burst forth or break out suddenly or noisily
3 : to go forth, out, or away : leave
4 : to undergo decline or deterioration
5 : to follow the expected or desired course : proceed the party went off well
6 : to make a characteristic noise : sound could hear the alarm going off
go off the deep end
1 : to enter recklessly on a course
2 : to become very much excited
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Time Traveler for go off
The first known use of go off was in 1579
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