Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “traffic light”

See all translations

traffic light

noun [C usually plural] uk   ( US also stoplight) us  
A2 one of a set of red, yellow, and green lights that control the movement of vehicles, usually at a point where two or more roads join: The police pulled him over for failing to stop at a red traffic light. Turn left at the traffic lights. The traffic lights turned green as we approached the junction.
Translations of “traffic light”
in Korean 교통 신호…
in Arabic إشارة المُرور…
in Portuguese semáforo…
in Catalan semàfor…
in Japanese (道路の)信号機…
in Italian semaforo…
in Chinese (Traditional) 紅綠燈,交通信號燈…
in Russian светофор…
in Turkish trafik ışıkları…
in Chinese (Simplified) 红绿灯,交通信号灯…
in Polish światło, sygnalizacja świetlna…
(Definition of traffic light from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of traffic light?
Add Cambridge dictionaries to your browser to your website

Definitions of “traffic light” in other dictionaries

Word of the Day

past participle

the form of a verb, usually made by adding -ed, used in some grammatical structures such as the passive and the present perfect

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More