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
Legal’s ability to streamline redlines, templatize agreements and negotiate at scale can directly impact how quickly deals are signed. Shashank Bijapur, Forbes.com, 29 July 2025 The mechanisms by which this was done crossed several redlines in India’s federal design. Yamini Aiyar, Foreign Affairs, 23 July 2025
Verb
In another case, some folks affiliated with labor supported a horrible, dense project on farmland in opposition to the residents while accusing environmental opponents of redlining! U T Readers, San Diego Union-Tribune, 25 July 2025 On top of a reputation for corruption, the burg was also scarred by redlining and persistent racial tensions. Jeffrey Steele, Forbes.com, 25 June 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 3 Aug. 2025.

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