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Line breaks: smog
Pronunciation: /smɒɡ

Definition of smog in English:


[mass noun]
Fog or haze intensified by smoke or other atmospheric pollutants: exhaust emissions are mainly responsible for the smog [count noun]: the fires caused widespread smogs
More example sentences
  • If there is a quantity of smoke or other airborne pollutant particles present, it is known as smog.
  • Lavanya cannot believe our clear atmosphere after London smog and fog, the huge horizon and the sunsets.
  • The clouds of smog and smoke did block out a good bit of the sun, meaning it shouldn't be too hot for travel.
exhaust fumes, fumes, smoke, pollution, gas;
fog, haze, vapour
British informal pea-souper


early 20th century: blend of smoke and fog1.



adjective (smoggier, smoggiest)
Example sentences
  • In a week or so,. New York's climate will lurch into summer gear: 95 degrees and up, humid, and smoggy.
  • The whole L.A. Basin was smoggy or hazy today, and my lungs hurt.
  • Observe fire ordinances and don't use your firepit on no-burn days or when it's smoggy or windy.

Definition of smog in:

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