as in warning
something that tells of approaching danger or risk
the reporter took her glower as a red light and stopped asking questions
Synonyms & Similar Words
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Example Sentences
Recent Examples of Synonyms for red light
Noun
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Topical hormone treatments like vaginal estrogen, from which the FDA recently removed a warning label, are becoming commonplace.
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This will be elevated to an extreme heat warning by Monday or Tuesday, and cooling centers will be opened.
Noun
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This was the white, blue, and red flag adopted by Tsar Peter the Great and used by Russia today.
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The nine-car incident caused a nine-minute red flag for wall repairs.
Noun
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The housing bill, formally called the 21st Century ROAD to Housing Act, can still become law if Trump neither signs it nor vetoes it in 10 days, excluding Sundays.
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There are signs all around Preston Hollow opposing the project.
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Cite this Entry
“Red light.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20light. Accessed 5 Jul. 2026.
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