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

Another safeguard is that when a bicycle reaches a traffic light, the cyclist cannot make a left turn, but must drive across the street and wait for the light to change there. — Chicago Tribune, 5 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

The system then provided a traffic light-esque model, where users declare whether AI is prohibited from (red), permitted with terms (yellow) or permitted (green) to use that person’s likeness. — Corbin Bolies, Variety, 29 June 2026

California and Multivan drivers benefit from an improved Travel Assist system with traffic light recognition and assisted highway lane changing. — New Atlas, 26 June 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