⛔ A strict limit 🚫 To deny housing 🏎️ To over-rev 📝 To mark changes

to redline

1 7.8

Run an engine at or above its highest safe speed

verb
/ˈrɛdˌlaɪn/

Specialized

: llevar el motor a la zona roja

Before the race, make sure you don't redline the engine, as it can cause serious damage.

Examples

You get up to redline, the Viper symbol turns on in the tag.
Don't redline those engines.

Starforce (2000)
The mechanic advised against redlining the vehicle during the test drive to prevent overheating.
When driving on the highway, it's important to avoid redlining the engine for extended periods.

How Fast

to redline

Specialized

1 7.8

to race

91 1.0

to rev

14 4.9

to idle

Specialized

2 5.3

Surface Forms

redline infinitive

redlined past

redlined past participle

redlining present participle

redlines third person singular

Morphology

redline = red + line (semi-transparent) = red + line

Derived from the literal red-mark on a tachometer indicating the danger zone; the link is visible but requires specific technical knowledge about gauges.

Etymology

Redline comes from the red area on a car's meter that shows the engine's top 'safe' speed. So to redline an engine is to run it into that red zone at or above its limit, which can cause damage.