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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
  • Residents and visitors have been urged to closely monitor the weather and the watches or warnings as Lowell approaches the islands, the hurricane center said.
    — Dinah Voyles Pulver, USA Today, 8 Sep. 2026
  • The officer lets her off with a warning, and then everyone goes to bed.
    — Rafaela Bassili, Vulture, 8 Sep. 2026
Definition of warning
Noun
  • While Vasilevskiy’s postseason numbers are starting to raise red flags, his regular-season play shouldn’t.
    — Shayna Goldman, New York Times, 4 Sep. 2026
  • With horror stories and red flags amplified on social media, Chan says trust levels are also lower than ever.
    — Rachel Hale, USA Today, 3 Sep. 2026
Definition of red flag
Noun
  • The enhanced scrutiny on Underwood, as Joe Rexrode writes, is an unfortunate sign of the times.
    — Chris Branch, New York Times, 8 Sep. 2026
  • The Bruins face a long and challenging season, but the Chesney Train won Game 1 and shows no signs of slowing down.
    — Connor Dullinger, Los Angeles Times, 7 Sep. 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 16 Sep. 2026.

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