as in detrimental
causing or capable of causing harm
DDT has been proven to be extremely harmful to the environment
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Recent Examples of harmful
Teens and young adults have driven this trend, as many of them view even moderate drinking as potentially harmful to their health.
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Ivana Saric, Axios, 3 Jan. 2025
Before seeking such an intervention, publishers may notify Anthropic of any allegedly harmful outputs.
—Ashley Belanger, Ars Technica, 3 Jan. 2025
Rodenticides and insecticides are extremely harmful if pets ingest them directly or eat affected pests.
—Dan Perry, Newsweek, 3 Jan. 2025
Although the kidneys should flush any harmful products out of the system, large quantities can be damaging, and could even lead to kidney failure.
—Gord Magill, Newsweek, 20 Dec. 2024
See all Example Sentences for harmful 
Ivana Saric, Axios, 3 Jan. 2025
Before seeking such an intervention, publishers may notify Anthropic of any allegedly harmful outputs.
—Ashley Belanger, Ars Technica, 3 Jan. 2025
Rodenticides and insecticides are extremely harmful if pets ingest them directly or eat affected pests.
—Dan Perry, Newsweek, 3 Jan. 2025
Although the kidneys should flush any harmful products out of the system, large quantities can be damaging, and could even lead to kidney failure.
—Gord Magill, Newsweek, 20 Dec. 2024
See all Example Sentences for harmful
Recent Examples of Synonyms for harmful
Adjective
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Vulnerable Populations Although everybody’s health can be affected when experiencing wildfires, certain populations are more likely to experience the detrimental health effects of fires.Omer Awan, Forbes, 11 Jan. 2025
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And not all of them are equally detrimental to health.Sarah Garone, Health, 11 Jan. 2025
Adjective
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Mother Nature exploded in Los Angeles this month with the most damaging wildfires in the city’s, and likely the nation’s, history.Carmen Balber, Rolling Stone, 17 Jan. 2025
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The deficit hawks said the package must be paid for by other changes to the budget — a stipulation that infuriated Republicans from New York and New Jersey, where the storm was most damaging, and triggered an internal fight within the GOP that benefited Democrats politically.Mike Lillis, The Hill, 16 Jan. 2025
Adjective
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These wild lands accumulate brush, and that brush is incredibly dangerous.Audrey Conklin, Fox News, 12 Jan. 2025
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Hurts is incredibly dangerous with his legs, rushing for 630 yards and 14 TDs this season.Rob Reischel, Forbes, 12 Jan. 2025
Adjective
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Some animals experienced adverse effects after consuming 150-300 milligrams (mg) of sulforaphane per kilogram (kg) of body weight.Chelsea Rae Bourgeois, RDN, LD, Health, 11 Jan. 2025
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The recall classification for the nuggets is Class 2, meaning that the products contain something that could cause temporary adverse health consequences to people who are exposed to it.Daniel R. Depetris, Newsweek, 10 Jan. 2025
Adjective
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That wasn't as bad as forecast, especially in areas south of the city, where temperatures rose enough to prevent icing.CBS News, CBS News, 11 Jan. 2025
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Some of them haven't been that bad, and some of them have been egregious.Mike Miller, EW.com, 11 Jan. 2025
Thesaurus Entries Near harmful
Cite this Entry
“Harmful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/harmful. Accessed 21 Jan. 2025.
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