rev

[rev]Informal.
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verb (used with object), revved, rev·ving.
  1. to accelerate sharply the speed of (an engine or the like) (often followed by up).
verb (used without object), revved, rev·ving.
  1. (of an engine) to accelerate; become revved (often followed by up).
Verb Phrases
  1. rev up, to increase in strength or accelerate sharply: The economy is beginning to rev up.

Origin of rev

First recorded in 1900–05; short for revolution
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


British Dictionary definitions for revved up

rev

noun
  1. revolution per minutethe engine was doing 5000 revs
verb revs, revving or revved
  1. (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

Word Origin and History for revved up

rev

v.

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

Online Etymology Dictionary, © 2010 Douglas Harper