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
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
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
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Importantly, there was no detrimental effect on strength or durability from the additives.—
Srishti Gupta,
Interesting Engineering,
31 Mar. 2026
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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
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Lebohang Morake — the Grammy-winning South African composer behind the film’s opening Zulu vocals — filed a federal civil complaint in California on March 16 against the comedian, Learnmore Jonasi, alleging that the translation is false and damaging to his life’s work.—
Joe Kottke,
NBC news,
27 Mar. 2026
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In neighboring Croatia, winds swept through the capital of Zagreb on Thursday afternoon and overnight, crashing trees, damaging city tram lines and roofs.—
ABC News,
ABC News,
27 Mar. 2026
Adjective
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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
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Assault with a dangerous weapon on a person 60 or older.—
Colleen Cronin,
Boston Herald,
31 Mar. 2026
Adjective
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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
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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
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This is very bad for our health.—
Peter D'Oench,
CBS News,
30 Mar. 2026
Cite this Entry
“Harmful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/harmful. Accessed 3 Apr. 2026.
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