red light

noun

Definition of red lightnext
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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Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for red light
  1. warning
  2. red flag
  3. sign
Noun
  • The attorney noted that immediately after the midterm elections last week, lawmakers such as Garcia accompanied their warnings of upcoming investigations with Instagram posts that received media attention and thousands of reshares.
    — Pranshu Verma The Washington Post, Arkansas Online, 8 Nov. 2026
  • Pilots can reduce the risk by checking GPS reception and compass warnings before takeoff, selecting an appropriate RTH altitude and ensuring the home point has been recorded correctly.
    — Kaif Shaikh, Interesting Engineering, 8 Nov. 2026
Definition of warning
Noun
  • The ultimate number of those tumor red flags that Zaks and his team settled on was 34—the number included in intismeran.
    — Time, Time, 12 Nov. 2026
  • Critics see that unorthodox schedule as another red flag, given the roughly $130 billion Wall Street insiders and venture capitalists have already poured into the company.
    — Allison Morrow, CNN Money, 10 Nov. 2026
Definition of red flag
Noun
  • Three broadcasters also received security threats, in a possible sign the menace was spreading beyond the skies.
    — Arkansas Online, Arkansas Online, 7 Nov. 2026
  • But with Great America’s latest corporate owner, Six Flags, struggling financially after its merger with Cedar Fair, there have been clear signs that the park probably was going to close sooner rather than later.
    — Los Angeles Times, Los Angeles Times, 7 Nov. 2026
Definition of sign
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.

Browse Nearby Words

redivisions
red light
red lights
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Cite this Entry

“Red light.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20light. Accessed 14 Nov. 2026.

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