Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “fog”

See all translations

fog

noun uk   /fɒɡ/ us    /fɑːɡ/

fog noun (WEATHER)

A2 [U] a weather condition in which very small drops of water come together to form a thick cloud close to the land or seaocean, making it difficult to see: Thick/Heavy/Dense fog has made driving conditions dangerous. Mist, fog, and snow are common in this area. It took several hours for the fog to lift.
More examples

fog noun (CONFUSION)

[S] informal a confused or uncertain state, usually mentally or emotionally: I went home in a fog of disbelief.

fog

verb [T] uk   /fɒɡ/ us    /fɑːɡ/ (-gg-)
to make something or someone confused or uncertain: Alcohol fogs the brain. The president's speech had simply fogged the issue.
Phrasal verbs
Translations of “fog”
in Korean 안개…
in Arabic ضَباب…
in French brouillard…
in Turkish sis…
in Italian nebbia…
in Chinese (Traditional) 天氣, 霧…
in Russian туман…
in Polish mgła…
in Spanish niebla…
in Portuguese neblina, névoa…
in German der Nebel…
in Catalan boira…
in Japanese 霧…
in Chinese (Simplified) 天气, 雾…
(Definition of fog from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of fog?
Add Cambridge dictionaries to your browser to your website

Definitions of “fog” in other dictionaries

Word of the Day

christmassy

typical of Christmas, or happy because it is Christmas

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

tweleb noun

December 22, 2014
informal a Twitter celebrity; (more specifically, someone who has more than 1,000 followers on Twitter) There were a few old and a few new faces, including a tweleb or two. Expect to see and hear more from these cool kids.

Read More