Definition of redline Redline

We found 6 definitions of redline from 3 different sources.

What does redline mean?

redlines, redlining, redlined

redline - discriminate in selling or renting housing in certain areas of a neighborhood

single out, discriminate, separate select from a group; "She was singled out for her outstanding performance"

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redline (Noun)
A drawing, document, etc. that has been marked for correction or modification.
redline (Noun)
The maximum speed at which the engine in a car is designed to operate.
redline (Verb)
To mark a drawing or document for correction or modification.
redline (Verb)
To run an internal combustion engine to its maximum or maximum recommended speed.