as in detrimental
causing or capable of causing harm
DDT has been proven to be extremely harmful to the environment
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of harmful
In addition, crisis-response agencies could swiftly identify harmful narratives, such as false emergency claims during natural disasters.
—
Azwad Anjum Islam, The Conversation, 29 May 2025
According to the International Society of Sports Nutrition, doses of up to 30 grams per day for up to five years have shown no harmful effects.
—Cindy Kuzma, SELF, 28 May 2025
The pairing prompted multiple waves of online discourse as to whether or not the character was helpful, harmful, or just a sloppy portrayal of nonbinary people.
—Quispe López, Them., 28 May 2025
In most of these cases, the aim is to capture and store the harmful greenhouse gas.
—Mack Degeurin, Popular Science, 28 May 2025
See All Example Sentences for harmful
Azwad Anjum Islam, The Conversation, 29 May 2025
According to the International Society of Sports Nutrition, doses of up to 30 grams per day for up to five years have shown no harmful effects.
—Cindy Kuzma, SELF, 28 May 2025
The pairing prompted multiple waves of online discourse as to whether or not the character was helpful, harmful, or just a sloppy portrayal of nonbinary people.
—Quispe López, Them., 28 May 2025
In most of these cases, the aim is to capture and store the harmful greenhouse gas.
—Mack Degeurin, Popular Science, 28 May 2025
See All Example Sentences for harmful
Recent Examples of Synonyms for harmful
Adjective
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Of course, not getting The Notebook was far from detrimental, as Witherspoon became a leading romantic comedy actress and starred in Legally Blonde, Sweet Home Alabama, Vanity Fair, Walk the Line and Just Like Heaven — all from 2001 to 2005.—
Caroline Blair,
People.com,
1 June 2025
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This change is especially detrimental to the daughter’s character, forcing Łubik to spend most of her performance hysterically responding to her mother’s actions.—
Murtada Elfadl,
Variety,
27 May 2025
Adjective
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Potent thunderstorms across the central and eastern U.S. this week could trigger flash floods, damaging winds and possible tornadoes as California prepares for its first heat wave of the season.—
Christopher Cann,
USA Today,
29 May 2025
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The plains in southeastern Colorado can expect damaging wind gusts up to 70 mph, 2-inch hail, heavy rain and a chance for tornadoes, according to a Hazardous Weather Outlook from the weather service's Pueblo office.—
Lauren Penington,
Denver Post,
28 May 2025
Adjective
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At times, the Algerian even operated as a wide forward as O’Neil grappled with a forward injury crisis and identified Ait-Nouri as his most dangerous attacking threat.—
Steve Madeley,
New York Times,
6 June 2025
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Furthermore, is a reliance on new safety and driver assistance features potentially dangerous? Ford recall extends to over one million vehicles due to rearview camera issue Why are over a million Ford models included in NHTSA's recent recall notices?—
Charles Singh,
USA Today,
5 June 2025
Adjective
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The consequences are both deeply personal and widely systemic: Women are more likely to be misdiagnosed, experience adverse drug reactions, and face delays in care.—
Geri Stengel,
Forbes.com,
6 June 2025
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Mifepristone is currently part of that program, though a wealth of research has shown that less than 0.5% of women who take it have serious adverse reactions.—
Aria Bendix,
NBC news,
5 June 2025
Adjective
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That cartilage injury was worse than expected, and Jiménez could miss all or most of this season rehabbing.—
David O'Brien,
New York Times,
5 June 2025
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The Canadian fire situation Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.—
Steve Karnowski,
Chicago Tribune,
4 June 2025
Cite this Entry
“Harmful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/harmful. Accessed 10 Jun. 2025.
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