1
as in unfavorable
opposed to one's interests
all the adverse publicity really caused the movie star's popularity to suffer
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in detrimental
causing or capable of causing harm
the adverse effects of the drug are too severe to allow it to be marketed
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of adverse
But typically, the National Vaccine Injury Compensation Program, which is operated by a different agency at HHS, handles reports of adverse effects from shots.
—
Katherine J. Wu, The Atlantic, 5 Mar. 2026
No adverse events have been reported, according to the department.
—Digital Staff, Cincinnati Enquirer, 5 Mar. 2026
Chai underwent surgery to remove it, and while the surgery itself was successful, Chai had an adverse reaction to anesthesia.
—Ryan Brennan
march 4, Miami Herald, 4 Mar. 2026
The surgery was successful, but Chai had an adverse reaction to anesthesia.
—Ryan Brennan
march 4, Charlotte Observer, 4 Mar. 2026
See All Example Sentences for adverse
Katherine J. Wu, The Atlantic, 5 Mar. 2026
No adverse events have been reported, according to the department.
—Digital Staff, Cincinnati Enquirer, 5 Mar. 2026
Chai underwent surgery to remove it, and while the surgery itself was successful, Chai had an adverse reaction to anesthesia.
—Ryan Brennan
march 4, Miami Herald, 4 Mar. 2026
The surgery was successful, but Chai had an adverse reaction to anesthesia.
—Ryan Brennan
march 4, Charlotte Observer, 4 Mar. 2026
See All Example Sentences for adverse
Recent Examples of Synonyms for adverse
Adjective
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The Republican Party has similarly bleak numbers, with 51% of respondents expressing an unfavorable view.—
Jake Angelo,
Fortune,
9 Mar. 2026
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Lodaya noted his previous reservations for Westlake, as well as the broad ethylene sector, included a shrinking ethane advantage and unfavorable polyethylene supply-demand dynamics.—
Lisa Kailai Han,
CNBC,
5 Mar. 2026
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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Their advocacy reflects a growing consensus that social media’s negative effects on kids’ mental health and social lives outweigh the benefits.—
Ramesh Ponnuru,
Washington Post,
12 Mar. 2026
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Average negative evaluation stood at 67 percent.—
Arkansas Online,
Arkansas Online,
11 Mar. 2026
Adjective
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When asked about Trump’s immigration policies — which have been controversial and are viewed by some Venezuelan residents as harmful to their community — Rodriguez first expressed support.—
Verónica Egui Brito,
Miami Herald,
9 Mar. 2026
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As these processes unfold, the nuclear pore is also blocking things that don’t belong, such as harmful enzymes or misfolded RNAs.—
Yasemin Saplakoglu,
Quanta Magazine,
9 Mar. 2026
Adjective
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Handling a hostile environment Texas coach Jim Schlossnagle said his team knew what to expect from Bobcat Ballpark.—
Caleb Yum,
Austin American Statesman,
11 Mar. 2026
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Brasília was built from scratch, in the middle of nowhere, in the hostile climate of the Cerrado—a savanna-like biome—hundreds of miles from any highway, railway, or airport.—
Sophia La Banca,
JSTOR Daily,
11 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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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
“Adverse.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adverse. Accessed 15 Mar. 2026.
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