: 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
: to withhold home-loan funds or insurance from neighborhoods considered poor economic risks
: to discriminate against in housing or insurance
Examples of redline in a Sentence
Recent Examples on the Web
Hadas Gold, CNN Money, 4 Mar. 2026
As part of the agreement, OpenAI placed limitations barring the use of its AI for purposes that go against its redlines, Altman said.
—Marco Quiroz-Gutierrez, Fortune, 2 Mar. 2026
Ed Gaskin, Boston Herald, 1 Mar. 2026
At the same time, many Black neighborhoods were gravely impacted by redlining, divestment and freeway construction, severing economic stability and reducing access to green spaces and fresh food.
—Martine Thompson, Los Angeles Times, 27 Feb. 2026
See All Example Sentences for redline
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Noun
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
As part of the agreement, OpenAI placed limitations barring the use of its AI for purposes that go against its redlines, Altman said.
—Marco Quiroz-Gutierrez, Fortune, 2 Mar. 2026
Verb
Black veterans were excluded in practice through segregated colleges, discriminatory banks, redlined housing, and local administration that preserved racial hierarchy.
—Ed Gaskin, Boston Herald, 1 Mar. 2026
At the same time, many Black neighborhoods were gravely impacted by redlining, divestment and freeway construction, severing economic stability and reducing access to green spaces and fresh food.
—Martine Thompson, Los Angeles Times, 27 Feb. 2026
See All Example Sentences for redline
Cite this Entry
“Redline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/redline. Accessed 7 Mar. 2026.
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