: 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
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
American armed forces launched the war alongside Israel, which has different interests, redlines, and objectives. Erik Lin-Greenberg, Foreign Affairs, 31 July 2026 As the revs climb toward the 7,000-rpm redline, the rear wing deploys, pressing the car harder into the pavement. Matthew MacConnell, Forbes.com, 2 July 2026
Verb
The sellers write the contract, and a few, if any, buyers are big enough to redline it, one clause at a time. Jason Snyder, Forbes.com, 8 Aug. 2026 The history of redlining, segregation and the lack of generational wealth shows how decisions made by the founding fathers created the landscape that exists for Black people in present day. Darcel Rockett, Chicago Tribune, 6 Aug. 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 8 Aug. 2026.

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