RED LIGHTS Synonyms: 22 Similar and Opposite Words

red lights

noun

plural of red light

as in red flags

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

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Example Sentences

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.

Recent Examples of red lights Being able to relax and really enjoy the massage seat made all those red lights ahead of me not seem so sinister. —

Scotty Reiss, Forbes.com, 16 May 2026 Amid onlookers, the two were filmed confronting each other after the cyclist accused Cumberbatch of breaking the rules of the road by running red lights. —

Jack Smart, PEOPLE, 11 May 2026 He was accused of leading sheriff’s deputies on a speedy chase through a residential area of Oceanside, blowing past multiple red lights and knocking a deputy off a motorcycle. —

Clara Harter, Los Angeles Times, 9 May 2026 And none of those three wins has been a simple lights-to-flag victory, given how sluggish his car is when the five red lights go out. —

Jonathan M. Gitlin, ArsTechnica, 4 May 2026 As police surrounded him, blue and red lights flashing, Williams could come up with only one possible reason for an arrest. —

Chicago Tribune, 4 May 2026 But since the Golden Pacific Powerlink is expected to use towers 150 to 200 feet tall to carry the power lines, Fordem expects the towers would meet Federal Aviation Administration requirements to have red lights atop them that would mar the desert’s night skies and increase light pollution. —

Rob Nikolewski, San Diego Union-Tribune, 26 Apr. 2026 At the time, a system of red lights on the runway that act as a warning for crossing traffic were still lit up. —

ABC News, 23 Apr. 2026 Swapping your bedside lighting also makes a difference — dim red lights are less likely to shift circadian rhythms than white or blue light and make a better nighttime alternative. —

Allison Palmer, Charlotte Observer, 13 Apr. 2026

Recent Examples of Synonyms for red lights

Noun

This is one of the biggest red flags.

— Kurt Knutsson, FOXNews.com, 18 May 2026
Rates below 10 to 12 percent raise immediate red flags about list decay or inflated subscriber numbers.

— Lien De Pau, Forbes.com, 18 May 2026