redline

Meaning

Noun

1. A drawing, document, etc. that has been marked for correction or modification.
2. The maximum speed, temperature, pressure, etc., at which a device (such as the engine in a car, aircraft, etc.) is designed to operate.

Verb

1. To mark a drawing or document for correction or modification.
2. To operate a device at one or more redlines.
3. To operate a device at one or more redlines.
4. To deny or complicate access to services (such as banking, insurance, or healthcare) to residents in specific, often racially determined, areas.
5. To achieve audio levels that will cause clipping (indicated by red in an audio meter).

Synonyms

abandon

cashier

desert

🏜️

desolate

disavow

discard

dishonour

dismiss

disqualify

ditch

drop

give up

jilt

overturn

reject

renounce

reprobate

repudiate

rule out

scratch

segregate

separate

single out

strand

turn down

vote out

send packing

Pronounced as (IPA)

/ˈɹɛd.laɪn/

Etymology

From red + line, originating with the frequent use of red pen or pencil to mark corrections on drawings and documents (1), and the red markings on a tachometer (2).