Word
rev
US/ˈɹɛv/
UK/ɹˈɛv/
Definitions
01engine revolution
B2 · Upper Intermediate Countable noun Technology Informal
n. one full turn of an engine part; usually used in the plural to talk about engine speed.
n. a single complete turn of a motor or engine part, typically measured per minute to indicate rotational speed.
“The driver kept the revs high as he prepared to overtake the truck.”
“The mechanic noticed that the engine was struggling to maintain consistent revs while idling, suggesting a potential issue with the fuel injection system.”
Usage
Almost always used in the plural form 'revs' when referring to engine performance.
Synonyms
02to speed up an engine
B2 · Upper Intermediate Informal
v. to make an engine run faster, especially by pressing the gas pedal while the car is not moving.
v. to increase the running speed of an engine, often while the vehicle is stationary or the clutch is disengaged.
“He revved the engine a few times to warm it up on the cold morning.”
“The motorcyclist revved his engine impatiently at the red light, creating a deafening roar that echoed through the narrow street.”
Usage
Often used with the particle 'up' as in 'to rev up'.
Synonyms
Antonyms
Idioms
01. rev up
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Common
- Level
- B2 · Upper Intermediate
- Updated
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