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
Many OnlyFans creators took issue with the harmful stereotypes used in Levinson’s depiction of their field, including one scene with Cassie posing spread-eagle in a diaper, with a pacifier in her mouth.
—
Glenn Garner,
Deadline,
20 June 2026
Following the recommendations from the NWS helps bolster your safety during air quality alerts, minimizing your exposure to potentially harmful pollutants.
—
Southern California Weather Report,
Daily News,
20 June 2026
This harmful smog severely impacts human health, causing respiratory and cardiovascular issues, while also damaging crops and ecosystems.
—
Jamie Hailstone,
Forbes.com,
19 June 2026
But the bacteria are an indicator that other, potentially harmful, fecal bacteria could be present.
—
Christopher Edwards,
PEOPLE,
19 June 2026
See All Example Sentences for harmful
Glenn Garner,
Deadline,
20 June 2026
Following the recommendations from the NWS helps bolster your safety during air quality alerts, minimizing your exposure to potentially harmful pollutants.
—
Southern California Weather Report,
Daily News,
20 June 2026
This harmful smog severely impacts human health, causing respiratory and cardiovascular issues, while also damaging crops and ecosystems.
—
Jamie Hailstone,
Forbes.com,
19 June 2026
But the bacteria are an indicator that other, potentially harmful, fecal bacteria could be present.
—
Christopher Edwards,
PEOPLE,
19 June 2026
See All Example Sentences for harmful
Recent Examples of Synonyms for harmful
Adjective
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According to 24/7 Wall Street, the $60 billion all-stock AI company Anysphere acquisition, a $20 billon debt offering, and the future end of the lockup have been particularly detrimental to the maintenance of the share prices.
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There’s also the thought that onboarding a starting catcher midseason can be detrimental to a pitching staff, something that Yankees general manager Brian Cashman has expressed in the past.
Adjective
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Nowhere is the pressure to develop a hook more damaging—or more physically consequential—than in youth athletics.
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Static’s award-winning Reusable Pop-On Manicures® give you a perfect, non-damaging manicure in seconds for a fraction of the salon cost.
Adjective
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Others develop dangerous fluctuations in blood pressure and abnormal heart rhythms because the autonomic nervous system becomes affected.
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Sometimes, the streets appear glittering; other times, seedy and dangerous.
Adjective
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In pharmacogenomics, understanding how genes affect drug efficacy helps doctors prescribe the right drug at the optimal dose while reducing adverse reactions.
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Johnson was undone by revelations of his conduct during Covid lockdowns and Truss by the adverse market reaction to her 2022 mini-Budget.
Adjective
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Are those still your worst fears?
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While a higher tracker error is not bad in and of itself, most investors become uncomfortable when their portfolio acts so differently from the index.
Cite this Entry
“Harmful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/harmful. Accessed 29 Jun. 2026.
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