Definition of go off
intransitive verb
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
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go off the deep end
1
:to enter recklessly on a course
2
:to become very much excited
