Definition of smognext
as in haze
an atmospheric condition in which suspended particles in the air rob it of its transparency the city's smog was once so bad that darkness often prevailed, even at noon

Synonyms & Similar Words

Relevance

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of smog The fuel is currently restricted in the summer months due to smog concerns, though that restriction is frequently waived. Garrett Downs, CNBC, 22 Jan. 2026 That smog can have far-reaching consequences. Sarah Henry, AZCentral.com, 18 Jan. 2026 The air district cited concentrations of particulate matter — commonly known as smog — to be elevated to a level approaching unhealthy for those with respiratory or other health issues. Rick Hurd, Mercury News, 15 Jan. 2026 Emissions of nitrogen oxide, also known as NOx, form smog and soot that is harmful to human health and linked to serious heart and lung diseases. Matthew Daly, Los Angeles Times, 14 Jan. 2026 See All Example Sentences for smog
Recent Examples of Synonyms for smog
Noun
  • Whether hiking through bright sunlight, overcast skies, or snowy conditions where the sun glare is reflected, Knockaround does an excellent job of reducing the haze and glare.
    Michael Cappetta, Travel + Leisure, 5 Feb. 2026
  • A little haze won’t affect the taste.
    Carla Lalli Music, Bon Appetit Magazine, 3 Feb. 2026
Noun
  • Some locally dense fog remains possible Tuesday as dew point temperatures and air temperatures reach the low 60s.
    Newsroom Meteorologist, Austin American Statesman, 10 Feb. 2026
  • Patchy dense fog will be possible for the inland areas.
    Lissette Gonzalez, CBS News, 9 Feb. 2026
Noun
  • And third, the center of the nebula is obscure, with what looks like a wispy cloud in the foreground blocking us from seeing the central star itself.
    Big Think, Big Think, 11 Feb. 2026
  • That data lives in Google’s cloud and servers.
    Hadas Gold, CNN Money, 11 Feb. 2026
Noun
  • Athena Club’s latest launch—body mists—perform really well given their under-$20 price tag.
    Reece Andavolgyi, InStyle, 4 Feb. 2026
  • Respiratory benefits The hot mist that forms when water hits a shower steamer may provide respiratory benefits.
    BestReviews, Chicago Tribune, 30 Jan. 2026

Browse Nearby Words

Cite this Entry

“Smog.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/smog. Accessed 15 Feb. 2026.

More from Merriam-Webster on smog

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!