Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “traffic”

traffic

noun [U]  /ˈtræf·ɪk/ us  

traffic noun [U] (MOVING THINGS)

the movement of vehicles or people along roads, or the movement of aircraft, trains, or ships along a route: heavy/rush-hour traffic Air traffic has increased 30% in the last decade.

traffic noun [U] (TRADE)

illegal trade: They’re trying to cut down on the traffic in exotic birds being sold illegally.

traffic

verb [I]  /ˈtræf·ɪk/ (present participle trafficking, past tense and past participle trafficked) us  
to buy and sell something illegally: He was charged with trafficking in stolen goods.
(Definition of traffic from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of traffic?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “traffic”

Definitions of “traffic” in other dictionaries

Word of the Day

nip

to press something quickly and quite hard between two objects, especially sharp objects such as teeth or nails

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More