as in detrimental
causing or capable of causing harm
DDT has been proven to be extremely harmful to the environment
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Example Sentences
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Recent Examples of harmful
In July 2025, Delfin signed agreements with three communities along the Marañón River to restore and replant 425 acres of land degraded by clear-cutting and harmful agricultural practices.
—
Lale Arikoglu, Condé Nast Traveler, 8 Mar. 2026
Egg yolks are a source of lutein and zeaxanthin, antioxidants that help protect the eyes from harmful light exposure, Manaker explained.
—Kelly McGreal, FOXNews.com, 8 Mar. 2026
The potential for harmful cyberattacks on water infrastructure is a growing concern.
—Annika Hammerschlag, Fortune, 8 Mar. 2026
That shorthand is harmful and wrong.
—Letters To The Editor, The Orlando Sentinel, 7 Mar. 2026
See All Example Sentences for harmful
Lale Arikoglu, Condé Nast Traveler, 8 Mar. 2026
Egg yolks are a source of lutein and zeaxanthin, antioxidants that help protect the eyes from harmful light exposure, Manaker explained.
—Kelly McGreal, FOXNews.com, 8 Mar. 2026
The potential for harmful cyberattacks on water infrastructure is a growing concern.
—Annika Hammerschlag, Fortune, 8 Mar. 2026
That shorthand is harmful and wrong.
—Letters To The Editor, The Orlando Sentinel, 7 Mar. 2026
See All Example Sentences for harmful
Recent Examples of Synonyms for harmful
Adjective
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In an interview, Price framed the legislation as detrimental to public schools in Kansas City and across the state.—
Kacen Bayless,
Kansas City Star,
10 Mar. 2026
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Others feared that the possible ICE detention center would be detrimental to the region’s booming tourism industry, which employs thousands of immigrant workers.—
Ryan Gillespie,
The Orlando Sentinel,
10 Mar. 2026
Adjective
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The western half of the country spent the winter baking—nine states had their hottest winter ever and five their second-hottest—which worsened drought conditions and has raised the risks of damaging wildfires come spring and summer.—
Andrea Thompson,
Scientific American,
13 Mar. 2026
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The potential storms could bring more damaging winds and heavy rain, the weather service said, with a slight chance for tornadoes to develop.—
Caroline Zimmerman,
Kansas City Star,
11 Mar. 2026
Adjective
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That $67 ticket informed me that the airline was selling seats to fill planes and slashing staff and services to dangerous levels.—
Christopher Elliott,
USA Today,
9 Mar. 2026
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But the industry’s modern threats, while not wholly unprecedented, are dangerous in ways that are genuinely alarming.—
Angelica Jade Bastién,
Vulture,
9 Mar. 2026
Adjective
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And, more importantly, consider locking one in to protect against any adverse rate changes still to come.—
Matt Richardson,
CBS News,
6 Mar. 2026
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And the way to make amends, to get better, to rid ourselves of those burdens of indiscretion is to suffer a little, to cleanse a lot, to reflect more than anything especially under the literal heat of adverse conditions.—
Brian Moylan,
Vulture,
5 Mar. 2026
Adjective
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The Knicks were held to less than 100 points for only the seventh time and had their fourth-worst three-point shooting performance of the season, going eight for 34.—
Los Angeles Times,
Los Angeles Times,
9 Mar. 2026
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The Pacers have the second-worst record in the NBA, 1 ½ games better than Sacramento.—
Jason Anderson,
Sacbee.com,
9 Mar. 2026
Cite this Entry
“Harmful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/harmful. Accessed 15 Mar. 2026.
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