1
: a revolution of a motor
2
: revolution per minute
usually used in plural

rev

2 of 4

verb

revved; revving

transitive verb

1
a
: to step up the number of revolutions per minute of
often used with up
rev up the engine
b
: increase
used with up
rev up production
2
: to drive or operate especially at high speed
often used with up
3
: to make more active or effective
used with up
revving up the economy
4
: to stir up : excite
usually used with up
revved up the kids before bedtime

intransitive verb

1
: to operate at an increased speed of revolution
usually used with up
2
: to increase in amount or activity
usually used with up
the campaign revved up
3
: to become more excited especially in anticipation
usually used with up
the partygoers were revving up

rev

3 of 4

abbreviation (1)

1
revenue
2
reverse
3
review; reviewed
4
revised; revision
5
revolution

Rev

4 of 4

abbreviation (2)

1
Revelation
2
reverend

Examples of rev in a Sentence

Verb the team was revved up by the coach's do-or-die locker room speech
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.
Noun
In Sport the exhaust is distinctly louder—when shifting into Sport, when stepping on the throttle and even when braking; the system delivers a nice pop-and-gurgle rev match when downshifting. Scotty Reiss, Forbes.com, 15 Jan. 2026 Paul Hansen recalled hearing the engine rev before the vehicle jumped the curb and hit them. Bethany Brown, People.com, 9 May 2025
Verb
Police said the Deepower bike the teen was riding had a motor that could rev at more than 900 watts and was capable of hitting 30 mph. Josephine Stratman, New York Daily News, 5 Aug. 2026 Following the success of this year’s War Machine, Netflix and Alan Ritchson are making long-term plans under a new first-look feature deal while also revving engines on their first project under the pact. Justin Kroll, Deadline, 3 Aug. 2026 See All Example Sentences for rev

Word History

Etymology

Noun

short for revolution

First Known Use

Noun

1851, in the meaning defined at sense 1

Verb

1918, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of rev was in 1851

Browse Nearby Words

Cite this Entry

“Rev.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rev. Accessed 9 Aug. 2026.

Kids Definition

: a revolution of a motor

rev

2 of 2 verb
revved; revving
1
a
: to increase the revolutions per minute of (a motor)
b
: increase
used with up
rev up production
2
: to make more active or effective
used with up
needed to rev up the campaign
3
: excite sense 1
usually used with up
revved the kids up
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