Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


Spanish translation of “smog”


noun /smoɡ/
fog mixed with smoke and fumes from factories , houses , vehicles etc
niebla mezclada con humo
Some big cities have a problem with smog.
(Definition of smog from the Password English-Spanish Dictionary © 2013 K Dictionaries Ltd)

Definitions of “smog” in other dictionaries

Word of the Day


relating to behaviour between people that is pleasant and friendly, often despite a difficult situation

Word of the Day


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