smog

noun

ˈsmäg How to pronounce smog (audio)
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

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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 The elevation differences cause temperature inversions, where the warm air traveling over the ridges traps the cooler air closer to the ground, along with the smog and pollution. — Daliah Singer, Condé Nast Traveler, 22 Sep. 2026 The summer blend is meant to help limit the chances of smog in the Metro Detroit area. — Paula Wethington, CBS News, 18 Sep. 2026 The legislation expands smog check exemptions for certain collector cars that have been relegated to driveways and garages due to the challenge of passing a smog check. — Daniel Hernandez, Los Angeles Times, 17 Sep. 2026 Even a partial dismantling of the rules would mean more pollutants such as smog, mercury and lead — and especially more tiny airborne particles that can lodge in lungs and cause health problems, the AP analysis found. — ABC News, 14 Sep. 2026 See All Example Sentences for smog
Recent Examples of Synonyms for smog
  1. haze
  2. fog
  3. cloud
  4. mist
Noun
  • From afar in the haze of the desert sun, the columns almost look like narrow, distorted people, aliens standing in a distant vista.
    — Taylor Luck, Christian Science Monitor, 7 Oct. 2026
  • Though some concept drawings were released by the company shortly after the project began in 2008, more recent renditions have been little more than hints showing the craft as an outline in the haze, with only the nose and cockpit showing clearly.
    — New Atlas, New Atlas, 4 Oct. 2026
Definition of haze
Noun
  • And liquid nitrogen could transform custard into ice cream in the blink of an eye, engulfing the table in a theatrical fog.
    — Robb Report, Robb Report, 9 Oct. 2026
  • In some locations, the fog will become locally dense and reduce visibility to one-quarter mile or less at times.
    — NC Weather Bot, Charlotte Observer, 8 Oct. 2026
Definition of fog
Noun
  • Another round of low clouds is expected to develop late tonight and spread into the metroplex toward Wednesday morning.
    — Michael Autovino, CBS News, 13 Oct. 2026
  • Google is working with McLaren to integrate its Gemini AI tools, while Mercedes-AMG Petronas has partnered with Microsoft to use AI and cloud technology for performance analysis and race strategy.
    — Jenny Lee, CNBC, 13 Oct. 2026
Definition of cloud
Noun
  • The lightweight mist also detangles and conditions without the weight of a traditional cream leave-in.
    — Christa Joanna Lee, Allure, 7 Oct. 2026
  • Other offerings include hydrating and volumizing shampoo and conditioner duos; a Deep Moisture Repair Hair Mask; a SahaScalp purifying scrub, and a recent trio of hair and body fragrance mists inspired by different Indian cities and states.
    — Noor Lobad, Footwear News, 1 Oct. 2026
Definition of mist

Browse Nearby Words

smocking
smog
smoggy
See all Nearby Words

Cite this Entry

“Smog.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/smog. Accessed 16 Oct. 2026.

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More from Merriam-Webster on smog

Britannica.com: Encyclopedia article about smog

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