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[rev] /rɛv/ Informal.
a revolution (in an engine or the like).
verb (used with object), revved, revving.
to accelerate sharply the speed of (an engine or the like) (often followed by up).
verb (used without object), revved, revving.
(of an engine) to accelerate; become revved (often followed by up).
Verb phrases
rev up, to increase in strength or accelerate sharply:
The economy is beginning to rev up.
Origin of rev
1900-05; short for revolution Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for revving
  • But instead of the constantly revving engines of a speed race, the noise from the track was intermittent.
  • With its free-revving engine and close ratio box, the car is a delight to drive.
  • She puffed furiously in quick spurts, a little engine revving.
  • Always conduct basic checks of an engine before revving up.
  • The best way to do this is by easing into your drive and avoiding excessive engine revving.
  • Hurricane forecasters will be trying out a tool this season that lets them see if a storm is revving up right before it hits land.
  • As a general rule, shift up soon enough to avoid over-revving the engine, but not so soon to cause the engine to lug.
  • Don't keep revving up and spinning your tires-this digs you in deeper.
  • The vehicles have a tough duty cycle-continuous stops and starts and lots of engine revving.
  • Waters kept his head down until he heard an engine revving.
British Dictionary definitions for revving


revolution per minute: the engine was doing 5000 revs
verb revs, revving, revved
(often foll by up) to increase the speed of revolution of (an engine)
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
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Word Origin and History for revving



1916, from earlier noun (1901), shortening of revolution, in reference to the internal combustion engine. Related: Revved; revving.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for revving


v,v phr
  1. To speed up a motor; increase the rpms (1916+)
  2. To stir up; stimulate; enliven; JAZZ something UP: seems to think he has to really rev his prose every now and again (1956+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Related Abbreviations for revving


The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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