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
The transit authority said in its release that weather or other adverse conditions could impact the closures.
—
Camila Pedrosa, Sacbee.com, 11 Mar. 2026
Poor Bella’s horribly adverse reaction to the virus makes for a great jump scare in the moment and also an exclamation point on the season overall, emphasizing that no one really understands how this virus works.
—Roxana Hadadi, Vulture, 10 Mar. 2026
Its letter focused on the fact that Novo Nordisk apparently violated its protocols for reporting adverse symptoms that could potentially be tied to the drug.
—Emily Mae Czachor, CBS News, 10 Mar. 2026
Earlier monitoring allows for early treatments should adverse changes occur.
—Md Published, Verywell Health, 10 Mar. 2026
See All Example Sentences for adverse
Camila Pedrosa, Sacbee.com, 11 Mar. 2026
Poor Bella’s horribly adverse reaction to the virus makes for a great jump scare in the moment and also an exclamation point on the season overall, emphasizing that no one really understands how this virus works.
—Roxana Hadadi, Vulture, 10 Mar. 2026
Its letter focused on the fact that Novo Nordisk apparently violated its protocols for reporting adverse symptoms that could potentially be tied to the drug.
—Emily Mae Czachor, CBS News, 10 Mar. 2026
Earlier monitoring allows for early treatments should adverse changes occur.
—Md Published, Verywell Health, 10 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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Nobody paid much attention to weather forecasts because winter days were usually the same and, if different, just worse.—
Bradley Gitz,
Arkansas Online,
16 Mar. 2026
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Jokic eagerly took advantage of bad transition defense, looking for long outlet passes to Braun and Bruce Brown.—
Bennett Durando,
Denver Post,
15 Mar. 2026
Cite this Entry
“Adverse.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adverse. Accessed 17 Mar. 2026.
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