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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
  • Plans, preferences, or even attractions could shift without much warning.
    — Tarot.com, Sun Sentinel, 20 Sep. 2026
  • Trump’s announcement of an AI force comes a week after the industry’s top leaders agreed to throttle back the breakneck speed of development as warnings about its consequences grew more dire.
    — Jason Ma, Fortune, 19 Sep. 2026
Definition of warning
Noun
  • If any of those red flags are present, book a sleep study rather than another gadget.
    — Lauren Schuster, Charlotte Observer, 24 Sep. 2026
  • One interested investor who questioned high research and development costs was an immediate red flag, Knowles remembers.
    — Emma Hinchliffe, Fortune, 23 Sep. 2026
Definition of red flag
Noun
  • Venus in your daily-life zone connects awkwardly with Uranus in your sign, increasing your appetite for novelty, movement, or a different way of doing things.
    — Tarot.com, Sun Sentinel, 20 Sep. 2026
  • The Moon in your sign trines Chiron in your creative 5th house, encouraging you to show a side of yourself that isn’t polished for approval.
    — Tarot.com, Chicago Tribune, 19 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
See all Nearby Words

Cite this Entry

“Red light.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20light. Accessed 26 Sep. 2026.

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