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 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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The multitrillion-dollar GOP tax bill could have detrimental impacts on decarbonization efforts in the U.S., according to energy experts.—
Julia Jacobo,
ABC News,
23 May 2025
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President Donald Trump's economic agenda is having a detrimental impact on workplace mental health, according to the American Psychological Association (APA).—
Hugh Cameron,
MSNBC Newsweek,
22 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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Cruise’s wing-walking sequence was somehow even more dangerous.—
Tyler Foggatt,
New Yorker,
24 May 2025
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This, in effect, frames even the movie’s unrelated, apolitical happenings as being at the mercy of this dangerous future, backed by Western powers.—
Siddhant Adlakha,
Variety,
24 May 2025
Adjective
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In 2023, for example, a federal judge ruled that mifepristone should be taken off the market by citing low-quality studies that reported adverse effects from mifepristone.—
Keren Landman,
The Atlantic,
24 May 2025
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Those impacted by this recall or others can report a complaint or adverse event by visiting Industry and Consumer Assistance.—
Fernando Cervantes Jr,
USA Today,
24 May 2025
Adjective
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Anything under par around here in these conditions isn't a bad score.—
Julio Cesar Valdera Morales,
MSNBC Newsweek,
23 May 2025
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If sinister twists or Roy-style bad dads do it for you, hang on past the hour mark.—
Judy Berman,
Time,
23 May 2025
Cite this Entry
“Harmful.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/harmful. Accessed 6 Jun. 2025.
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