redline

1 of 2

noun

red·​line ˈred-ˈlīn How to pronounce redline (audio)
: a recommended safety limit : the fastest, farthest, or highest point or degree considered safe
also : the red line which marks this point on a gauge

redline

2 of 2

verb

red·​line ˈred-ˌlīn How to pronounce redline (audio) -ˈlīn How to pronounce redline (audio)
redlined; redlining; redlines

intransitive verb

: to withhold home-loan funds or insurance from neighborhoods considered poor economic risks

transitive verb

: to discriminate against in housing or insurance

Examples of redline in a Sentence

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
Some say hitting the 9000-rpm redline while driving through a canyon is as close as a Porschephile can come to heaven. Will Sabel Courtney, Robb Report, 19 Mar. 2026 After OpenAI published some of the terms of the contract on Saturday, many outside observers immediately questioned how the redlines on autonomous weapons and mass surveillance would actually be upheld, with some saying the language would still allow the safeguards to be disregarded. Hadas Gold, CNN Money, 4 Mar. 2026
Verb
For decades, discriminatory housing policies — including redlining, racially restrictive covenants and predatory land-sale contracts — systematically extracted the very wealth from Black families that fuels neighborhood investment. Tonika Lewis Johnson, Chicago Tribune, 22 Mar. 2026 By now, the standard sound of rage rap — redlining drums deployed with abandon, frenetic, almost spastic chord arrangements, and often shouted, mantra-like lyrics delivered in an impassioned scream — has become a predictable shorthand for overtures to a younger audience. Jeff Ihaza, Rolling Stone, 10 Mar. 2026 See All Example Sentences for redline

Word History

First Known Use

Noun

1952, in the meaning defined above

Verb

1968, in the meaning defined at intransitive sense

Time Traveler
The first known use of redline was in 1952

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Cite this Entry

“Redline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/redline. Accessed 31 Mar. 2026.

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