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
Some of the violations also concern accusations that the company has outfitted its vehicles with flashing blue and red lights, in violation of state law.
—
Evan Mealins, The Tennessean, 2 July 2025
Traffic officers also watch for drivers who are speeding, running red lights or breaking other rules of the road.
—Jordan Smith, IndyStar, 2 July 2025
Any skin-care connoisseur knows red light therapy to be one of the most efficacious means to treating one’s complexion, both in office and at home.
—Kiana Murden, Vogue, 1 July 2025
For example, inflation is a flashing red light for many consumers, and gas prices often get blamed as a prominent driver of inflation.
—Linnea Geiss, Forbes.com, 27 June 2025
See All Example Sentences for red light
Evan Mealins, The Tennessean, 2 July 2025
Traffic officers also watch for drivers who are speeding, running red lights or breaking other rules of the road.
—Jordan Smith, IndyStar, 2 July 2025
Any skin-care connoisseur knows red light therapy to be one of the most efficacious means to treating one’s complexion, both in office and at home.
—Kiana Murden, Vogue, 1 July 2025
For example, inflation is a flashing red light for many consumers, and gas prices often get blamed as a prominent driver of inflation.
—Linnea Geiss, Forbes.com, 27 June 2025
See All Example Sentences for red light
Recent Examples of Synonyms for red light
Noun
-
In South Korea, an early end to monsoon season led to heat wave warnings issued across most of the country this week.—
Mary Whitfill Roeloffs,
Forbes.com,
8 July 2025
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The warning is in effect until 3 a.m. Actions to take when lightning threat is imminent Around 25 million lightning strikes occur in the United States every year, with most taking place during the summer months.—
Kansas City Star,
Kansas City Star,
8 July 2025
Noun
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If a company demands a large payment upfront, that’s a red flag.—
Angie Hicks,
Boston Herald,
12 July 2025
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Skeptics raise red flags Bitcoin's sharp rally has drawn caution from some corners of the market.—
Niket Nishant,
USA Today,
12 July 2025
Noun
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Isaacman is a friend of Elon Musk, and the move was seen as the first sign of the rift between Trump and Musk that widened as the two men publicly feuded over a sweeping tax and spending package central to Trump’s second term agenda.—
Chantelle Lee,
Time,
10 July 2025
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If the interview starts to feel like a brainstorm, that's a great sign.—
Expert Panel®,
Forbes.com,
10 July 2025
Cite this Entry
“Red light.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20light. Accessed 19 Jul. 2025.
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