go off

verb

went off; gone off; going off; goes off

intransitive verb

1
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
Phrases
go off the deep end
1
: to enter recklessly on a course
2
: to become very much excited

Examples of go off in a Sentence

specialists were able to deactivate the bomb before it went off the wedding went off without so much as a single glitch
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Most medication reminders work similarly to standard timers but run on a preset schedule instead of needing to be reprogrammed after the timer goes off. Bestreviews, Mercury News, 16 Sep. 2025 The debut mission of Northrop Grumman's new jumbo cargo spacecraft didn't go off without a hitch. Mike Wall, Space.com, 16 Sep. 2025 At a family meeting about the sentencing, things quickly go off the rails. Grace Byron, Vulture, 15 Sep. 2025 When an alarm goes off, is snoozed, or is stopped. ArsTechnica, 15 Sep. 2025 See All Example Sentences for go off

Word History

First Known Use

1579, in the meaning defined at sense 1

Time Traveler
The first known use of go off was in 1579

Cite this Entry

“Go off.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/go%20off. Accessed 17 Sep. 2025.

Kids Definition

go off

verb
1
2
: to burst forth or break out suddenly or noisily
3
: to take place : proceed
the dance went off as planned

More from Merriam-Webster on go off

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!