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

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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 For gas drivers, smog from internal combustion engine exhaust systems would be disastrous and potentially fatal. Charles Singh, The Tennessean, 30 July 2025 That's why the state is still trying to lower car emissions, like chemicals from fuel and exhaust, which turn into smog. Quinn Clark, jsonline.com, 7 July 2025 The agency is closing the Office of Research and Development, which analyzes dangers posed by a variety of hazards, including toxic chemicals, climate change, smog, wildfires, indoor air contaminants, water pollution, watershed destruction and drinking water pollutants. Rob Stein, NPR, 20 July 2025 What is causing poor air quality in Phoenix? Phoenix’s poor air quality stems from a potent combination of smog, particle pollution and dust, exacerbated by our hot desert climate and human activity. Tiffany Acosta, AZCentral.com, 1 July 2025 See All Example Sentences for smog
Recent Examples of Synonyms for smog
Noun
  • The smoke from Canada is expected to move over Philadelphia, Baltimore and Washington, D.C., while holding over much of Pennsylvania and New York, as calming high pressure and stable winds could hold onto this haze over the Northeast through much of the week and potentially even the weekend.
    Kenton Gewecke, ABC News, 6 Aug. 2025
  • Monday, however, may see increased haze from the Canadian wildfires heading down via northwesterly winds.
    Isabelle Friedman, Boston Herald, 4 Aug. 2025
Noun
  • Zero visibility strategy: In cases of near-zero visibility due to dense fog, initiate your hazard lights and locate a secure spot, such as a nearby business parking area, to pull over and come to a halt.
    NC Weather Bot, Charlotte Observer, 12 Aug. 2025
  • The clarity provided by such a statement can break through the fog of mistrust between Israelis and Palestinians and allow both to imagine a future worth striving for.
    Ami Ayalon, Foreign Affairs, 5 Aug. 2025
Noun
  • But by Sunday, the clouds had cleared, and so had Scottie Scheffler's path to victory.
    Devlina Sarkar, MSNBC Newsweek, 18 Aug. 2025
  • Star clusters are gravitationally bound groups of stars that formed from the same interstellar cloud.
    Anthony Wood, Space.com, 17 Aug. 2025
Noun
  • The origins of many words are simply lost in the mists of history, a disappointment that lexicographers record with the frustrating notation origin unknown, or orig.
    Martha Barnette August 6, Literary Hub, 6 Aug. 2025
  • Uber Klaus is joined by other smaller robots (Kommando Klaus) that appear after mysterious red mist descends on players.
    Erik Kain, Forbes.com, 6 Aug. 2025

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Cite this Entry

“Smog.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/smog. Accessed 23 Aug. 2025.

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