Synonyms of red lights

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

• red flags
• warnings
• signs
• wake-up calls
• tocsins
• indicators
• cautions
• tip-offs
• signals
• notifications
• premonitions
• omens
• buoys
• portents
• declarations
• presages
• announcements
• notices
• foretokens
• foretastes
• knells

Antonyms & Near Antonyms

• all clears

Example Sentences

Recent Examples of red lights

But social media videos of red lights emanating from the cameras, largely automatic license plate readers distributed across the city, raised concerns among some that footage was still being captured. — Sierra Lopez, Mercury News, 30 July 2026

Mounted atop the temporary wall were two sets of traffic lights, a pair of side-by-side green lights (currently off) and a set of red lights, now blinking. — Robert Pearlman, ArsTechnica, 1 July 2026

Both earlier crashes were reportedly linked to drivers running red lights, heightening concerns among local residents about safety at the intersection, the outlet reported. — Angelique Brenes, PEOPLE, 3 June 2026

Two hours later, Eric was standing in the 200 level in front of a Canes backdrop with red lights above his head. — Michael Russo, New York Times, 3 June 2026

The new restrictions extend to times when drivers aren't moving but are still on the road, like when they're stopped at red lights or stuck in traffic, TribLIVE reported. — Finch Walker, USA Today, 3 June 2026

Insects aren't as attracted to yellow, orange, and red lights. — Brandee Gruener, Southern Living, 2 June 2026

According to state police, the vehicle was seen going through multiple red lights and passing other motorists. — Justin Muszynski, Hartford Courant, 29 May 2026

The horizon is scattered with tall wind turbines, crowned with blinking red lights visible from miles away in the nighttime sky. — Hannah Elsmore, San Diego Union-Tribune, 26 May 2026