as in warning
something that tells of approaching danger or risk
the reporter took her glower as a red light and stopped asking questions
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Example Sentences
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Recent Examples of red light
Under the dim red lights, the audience and the band became one, swimming in a sea of sound.
—
Ivan Kashinsky, NPR, 8 Oct. 2025
Give your red light therapy treatment an upgrade via a gentle facial massage.
—Conçetta Ciarlo, Vogue, 8 Oct. 2025
This is what the round red pinhole is for—simply hold it up to one of your eyes and look through it, scanning the room for a glowing red light.
—Amelia McBride, Travel + Leisure, 7 Oct. 2025
Oxygen emits either a greenish-yellow light (the most familiar color of the aurora) or a red light; nitrogen generally gives off a blue light.
—Jenna Prestininzi, Freep.com, 6 Oct. 2025
See All Example Sentences for red light
Ivan Kashinsky, NPR, 8 Oct. 2025
Give your red light therapy treatment an upgrade via a gentle facial massage.
—Conçetta Ciarlo, Vogue, 8 Oct. 2025
This is what the round red pinhole is for—simply hold it up to one of your eyes and look through it, scanning the room for a glowing red light.
—Amelia McBride, Travel + Leisure, 7 Oct. 2025
Oxygen emits either a greenish-yellow light (the most familiar color of the aurora) or a red light; nitrogen generally gives off a blue light.
—Jenna Prestininzi, Freep.com, 6 Oct. 2025
See All Example Sentences for red light
Recent Examples of Synonyms for red light
Noun
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Sourcing & Methodology This article was generated by software that analyzes National Weather Service warnings and advisories and creates an article based on templates created by humans.—
Bay Area Weather Report,
Mercury News,
16 Oct. 2025
-
Here there’s no warning, no provocation.—
Geraldo Cadava,
New Yorker,
16 Oct. 2025
Noun
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The program teaches participants how to identify red flags, spot fake communications and avoid sharing sensitive information under pressure.—
Kennedy Hayes,
FOXNews.com,
15 Oct. 2025
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But the red flags are there, too.—
Bryan Alexander,
USA Today,
15 Oct. 2025
Noun
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As early as 2014, scientists had discovered signs of sea star wasting disease in at least twenty species across the Pacific coast.—
JSTOR Daily,
JSTOR Daily,
17 Oct. 2025
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To Be Nervous Almost everyone gets some sign of jitters before speaking, even seasoned pros.—
Nathan Green,
Rolling Stone,
16 Oct. 2025
Cite this Entry
“Red light.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20light. Accessed 21 Oct. 2025.
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