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
Most recently, Ukrainian President Volodymyr Zelensky criticized the administration over reports that negotiators would seek territorial concessions from Kyiv—a redline Zelensky has repeatedly stressed his country will not cross. Thomas G. Moukawsher, MSNBC Newsweek, 24 Apr. 2025 October will be a redline for Microsoft users for more than just Windows 10 and the hard slog to push users to Windows 11. Zak Doffman, Forbes.com, 17 Apr. 2025
Verb
There's been a profusion of scholarship on the history of redlining, the history of housing segregation, and federal policies that were shaping and influencing that, as well as the growth of the private real estate industry in the 20th century. Tax Notes Staff, Forbes.com, 8 Apr. 2025 Practices like redlining deepened that marginalization. Made By History, TIME, 25 Mar. 2025 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 28 Apr. 2025.

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