Definition of harmfulnext

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 harmful Wildfire smoke contains fine particulate matter and other harmful pollutants. Bay City News Service, Mercury News, 30 Mar. 2026 Without needing batteries or wires, the Moso Natural air-purifying bag attracts particles out of the air like a magnet, and continuously works to remove odors and harmful pollutants from your home, filled with just one powerful ingredient -- moso bamboo charcoal. Tory Johnson, ABC News, 28 Mar. 2026 Tech companies have been responding to mental health concerns, rolling out new parental controls so parents can keep track of their children’s screen time and moderating harmful content. Queenie Wong, Los Angeles Times, 28 Mar. 2026 Many brands had reduced spending after concerns about rising harmful content on the platform. Aamir Khollam, Interesting Engineering, 27 Mar. 2026 See All Example Sentences for harmful
Recent Examples of Synonyms for harmful
Adjective
  • Importantly, there was no detrimental effect on strength or durability from the additives.
    Srishti Gupta, Interesting Engineering, 31 Mar. 2026
  • However, a full recovery is unlikely in the near term, meaning many detrimental impacts could persist, or even intensify, through the rest of the year.
    Daniel Manzo, ABC News, 28 Mar. 2026
Adjective
  • On April 4, a cold front heading east will bring risks of hail, heavy rain and damaging winds from Texas to southwestern New York, AccuWeather reported.
    Jeanine Santucci, USA Today, 3 Apr. 2026
  • The tornadoes ranged in intensity from EF-0 to EF-3, damaging or destroying numerous homes and businesses, overturning vehicles and causing widespread power outages.
    Eric Henderson, CBS News, 2 Apr. 2026
Adjective
  • Community members and city leaders say the combination of narrow streets, heavy foot traffic and frequent parking maneuvers can create dangerous conditions.
    Kenny Choi, CBS News, 31 Mar. 2026
  • Assault with a dangerous weapon on a person 60 or older.
    Colleen Cronin, Boston Herald, 31 Mar. 2026
Adjective
  • Whether to report adverse events — illnesses or deaths potentially related to the products — to the FDA is largely at manufacturers’ discretion.
    David Hilzenrath, USA Today, 29 Mar. 2026
  • Fugitives are allowed the first shot lest the officer face investigation, charges, interrogation by attorneys, and even adverse public opinion.
    Dave Duffey, Outdoor Life, 26 Mar. 2026
Adjective
  • Bernadine appeared to be useless—or, worse, a potential double agent.
    David D. Kirkpatrick, New Yorker, 30 Mar. 2026
  • This is very bad for our health.
    Peter D'Oench, CBS News, 30 Mar. 2026

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Cite this Entry

“Harmful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/harmful. Accessed 4 Apr. 2026.

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