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 turbines could emit over 2,000 tons of smog-forming nitrogen oxides, according to the environmental groups. Prabhat Ranjan Mishra, Interesting Engineering, 15 July 2026 Forget the fact that by now everyone knew car exhaust was a major cause of the smog that plagued the region. Deputy Managing Editor, Los Angeles Times, 14 July 2026 Livermore and San Martin have recorded the region’s highest recent ozone readings, according to air district data, underscoring how wildfire smoke can worsen pollution in areas that already struggle most with smog. Seth Borenstein, Mercury News, 9 July 2026 What was once the season of patios and long days has increasingly turned into one of heat advisories, wildfire smoke, and smog alerts. Alexandra Emanuelli, Travel + Leisure, 28 June 2026 See All Example Sentences for smog
Recent Examples of Synonyms for smog
Noun
  • Forest fires on Sumatra and Borneo islands often break out during dry spells, smothering parts of nearby Singapore and Malaysia in haze.
    ABC News, ABC News, 6 Aug. 2026
  • Built around shimmering guitars and an unexpectedly propulsive rhythmic backbone, the track balances DIIV’s familiar haze with an anthemic immediacy.
    SPIN Staff, SPIN, 6 Aug. 2026
Noun
  • As his mind retreats to the hues of old movies, Charlotte breaks the fog with a glimmer of humanity.
    Andy Andersen, Vulture, 7 Aug. 2026
  • Forecasts show temperatures reaching highs in the 90s throughout the remainder of the week, in addition to isolated thunderstorms, fog and showers.
    Kaitlyn McCormick, USA Today, 7 Aug. 2026
Noun
  • Jupiter showed cloud bands and its Great Red Spot could be seen just slipping off the edge, with three of its moons also in the field.
    Damian Peach, Space.com, 4 Aug. 2026
  • El Niño events are a climate cycle characterized by hotter than average ocean temperatures in the central and eastern tropical Pacific, which transfer huge amounts of heat to the atmosphere via clouds and heavy precipitation.
    Andrew Freedman, CNN Money, 4 Aug. 2026
Noun
  • In an effort to stymie the foul smell, part of the facility is wrapped in plastic sheeting while large fans spray odor-control mist around the warehouse.
    Celina Tebor, CNN Money, 8 Aug. 2026
  • The bestselling quilt set comes in more than 10 calming colors including glacier blue, mist gray, and pine green.
    Better Homes & Gardens, Better Homes & Gardens, 6 Aug. 2026

Browse Nearby Words

Cite this Entry

“Smog.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/smog. Accessed 9 Aug. 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