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 On the other hand, ozone pollution in Los Angeles worsened from last year’s report, keeping the metro area in the top spot nationally for smog. Meg Tanaka, Los Angeles Times, 22 Apr. 2026 The environmental crises of the past often seem to disappear—have problems like acid rain and smog been solved? Andrea Thompson, Scientific American, 22 Apr. 2026 It’s not typically used during the summer months because of concerns the higher ethanol concentration can worsen smog. News Service Of Florida, Sun Sentinel, 14 Apr. 2026 Volatile organic compounds and carbon monoxide are the key ingredients in ground-level ozone pollution, which combine on hot days to create a smog that fouls the air. Noelle Phillips, Denver Post, 9 Apr. 2026 See All Example Sentences for smog
Recent Examples of Synonyms for smog
Noun
  • Firefighters have been battling more than 150 other wildfires in Georgia and Florida that have sent smoky haze into places far from the flames, triggering air quality warnings for some cities.
    ABC News, ABC News, 26 Apr. 2026
  • Still, his colleagues spent hours searching for him, peering through a haze of radioactive steam and smoke that would eventually kill some of them.
    Lizzie Johnson, New Yorker, 25 Apr. 2026
Noun
  • These sensors enable real-time monitoring across a wide range of conditions, including low light, fog, and obstructed environments, while onboard AI and machine-learning classifiers help identify and flag potential threats.
    Jijo Malayil, Interesting Engineering, 27 Apr. 2026
  • His 2025 tape, WOMB, embodied this through his pensive grumbles over wispy vocal chops; each bar that cut through the fog was steeped in sober gravitas.
    Olivier Lafontant, Pitchfork, 27 Apr. 2026
Noun
  • But what exactly happens to these baby stars next isn't always clear (literally) because they are buried deep within clouds of dark, dusty gas that obscure them.
    Keith Cooper, Space.com, 28 Apr. 2026
  • The reporting and visual components offer a clear warning — for Atlanta and beyond — of the need for thoughtful planning for these centers as AI and cloud storage needs grow.
    Hugo Rojo, AJC.com, 28 Apr. 2026
Noun
  • There’s a nostalgia-inducing brow pomade, a beachy body mist, a hydrating eye gel, and more.
    Sarah Kinonen, Allure, 30 Apr. 2026
  • The collection includes lip oils, lip mask, body mists, claw clip, and a puffy Bubs bag.
    Gina Vaynshteyn, StyleCaster, 30 Apr. 2026

Browse Nearby Words

Cite this Entry

“Smog.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/smog. Accessed 2 May. 2026.

More from Merriam-Webster on smog

Love words? Need even more definitions?

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

More from Merriam-Webster