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go off

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verb (intr)
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

How to use go off in a sentence

Other Idioms and Phrases with go off

go off

1

Explode, detonate; also, make noise, sound, especially abruptly. For example, I heard the gun go off, or The sirens went off at noon. This expression developed in the late 1500s and gave rise about 1700 to the related go off half-cocked, now meaning “to act prematurely” but originally referring to the slipping of a gun's hammer so that the gun fires (goes off) unexpectedly.

2

Leave, depart, especially suddenly, as in Don't go off mad, or They went off without saying goodbye. [c. 1600]

3

Keep to the expected plan or course of events, succeed, as in The project went off smoothly. [Second half of 1700s]

4

Deteriorate in quality, as in This milk seems to have gone off. [Late 1600s]

5

Die. Shakespeare used this sense in Macbeth (5:9): “I would the friends we missed were safely arrived.—Some must go off.”

6

Experience orgasm. D.H. Lawrence used this slangy sense in Lady Chatterley's Lover (1928): “You couldn't go off at the same time....” This usage is probably rare today. Also see get off, def. 8.

7

go off on a tangent. See under on a tangent.

8

go off one's head. See off one's head. Also see subsequent idioms beginning with go off.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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