traffic light

noun

: a visual signal (such as a system of colored lights) for controlling traffic

Examples of traffic light in a Sentence

Take a left at the traffic light.

Recent Examples on the Web

Tiguan gets one-pedal driving and Volkswagen's new Connected Travel Assist system, which can help with lane changes on highways and bring the SUV to a stop at red traffic lights. — New Atlas, 24 Oct. 2026

Arlington police reminded pedestrians to always use traffic lights or dedicated crosswalks when crossing a street, especially at night or during low-visibility conditions, according to the release. — Shambhavi Rimal, Fort Worth Star-Telegram, 19 Oct. 2026

According to testimony from prosecution experts cited by the newspaper, Pollis was traveling approximately 67 mph in a 35-mph zone and drove through a traffic light that had been red for at least five seconds. — Michael Sinkewicz, FOXNews.com, 16 Oct. 2026

Some traffic lights only let two to four cars through before changing to yellow and red. — Orlando Sentinel Staff, The Orlando Sentinel, 13 Oct. 2026

Word History

First Known Use

1912, in the meaning defined above

Rhymes for traffic light

• acolyte
• aconite
• allanite
• alunite
• amberlite
• ammonite
• amorite
• amphitrite
• analyte
• anchorite
• andesite
• anhydrite

Kids Definition

traffic light

noun

: a visual signal (as a system of green, yellow, and red lights) for controlling traffic