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 20-page document laid out plans to further investigate adverse vaccine reactions, issue a report on the causes of autism and target drivers of childhood chronic disease.
—
Alexis Kayser, MSNBC Newsweek, 11 Sep. 2025
The researchers used a mouse model to simulate an adverse gestational environment, specifically maternal immune activation, which mimicked infection or inflammation during pregnancy, and examined what effect that had on the cells in the vDG.
—New Atlas, 11 Sep. 2025
Extend it to four seconds to ensure safe spacing in adverse conditions.
—Bay Area Weather Report, Mercury News, 10 Sep. 2025
Research studies and case reports point to both short-term adverse health consequences and long-term risks of energy drinks.
—Heidi Moawad, Verywell Health, 10 Sep. 2025
See All Example Sentences for adverse
Alexis Kayser, MSNBC Newsweek, 11 Sep. 2025
The researchers used a mouse model to simulate an adverse gestational environment, specifically maternal immune activation, which mimicked infection or inflammation during pregnancy, and examined what effect that had on the cells in the vDG.
—New Atlas, 11 Sep. 2025
Extend it to four seconds to ensure safe spacing in adverse conditions.
—Bay Area Weather Report, Mercury News, 10 Sep. 2025
Research studies and case reports point to both short-term adverse health consequences and long-term risks of energy drinks.
—Heidi Moawad, Verywell Health, 10 Sep. 2025
See All Example Sentences for adverse
Recent Examples of Synonyms for adverse
Adjective
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Also, unfavorable factors are the extension price tag that can top tens of billions of dollars annually, and eligibility that includes those making 400% the poverty rate.—
Ramsey Touchberry,
The Washington Examiner,
11 Sep. 2025
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Two years before the Rule was finalized in 1944, the Supreme Court made unfavorable (unpublished) comments about a draft proposal permitting the government to take pretrial depositions.—
Robert Anello,
Forbes.com,
10 Sep. 2025
Adjective
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Meanwhile, from an AI duality perspective, there is also a solid chance that AI can be detrimental to mental health.—
Lance Eliot,
Forbes.com,
8 Sep. 2025
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These die-offs have caused detrimental imbalances within the habitats.—
Lauren Liebhaber
September 5,
Miami Herald,
5 Sep. 2025
Adjective
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However, a number of attendees posted negative comments about the event on social media, with many claiming that the experience was chaotic and poorly organized.—
Toria Sheffield,
PEOPLE,
6 Sep. 2025
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But let’s face it - any kind of drama on social media, positive or negative, is good for any reality competition show (or any series, for that matter).—
Marc Berman,
Forbes.com,
6 Sep. 2025
Adjective
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According to a five-pillar plan shared with CNBC, Cruz also aims to create federal standards for AI, prevent AI from being used in harmful ways such as scams, allow free speech and address ethical concerns.—
Emily Wilkins,
CNBC,
10 Sep. 2025
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Nonfiction narratives that students both read and produce serve as counter-narratives to the oppressive and harmful tropes in media more generally about Black girls and girlhood.—
The Editors,
JSTOR Daily,
10 Sep. 2025
Adjective
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Thanks to climate change, Cosmism’s ambivalent and generally hostile attitude towards the natural world should also sound familiar.—
Tim Brinkhof,
Big Think,
12 Sep. 2025
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Another camera designed to withstand the hostile environment of space was used outside.—
Catherine Muccigrosso,
Charlotte Observer,
11 Sep. 2025
Adjective
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Trump is never shy of responding to criticism that is damaging to him from any source.—
Jeremy Lott,
The Washington Examiner,
12 Sep. 2025
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Historical accounts include stories of big storms and damaging winds and surf, but the modern record begins in 1950.—
Dinah Voyles Pulver,
USA Today,
11 Sep. 2025
Adjective
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Whatever happens in their final qualifier, against Argentina on Tuesday, La Tri will travel to the World Cup next summer as one of South America’s most dangerous teams.—
Jack Lang,
New York Times,
8 Sep. 2025
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To dissidents, she has been seen as a hero putting her life on the line; to Modi’s supporters, as a dangerous subversive who is anti-national and anti-Hindu.—
Anderson Tepper,
The Atlantic,
8 Sep. 2025
Adjective
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This was a classic Smith performance with tons of yardage and some risky throws with both good and bad results.—
Mike Sando,
New York Times,
8 Sep. 2025
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You were called something much worse, and [it was] accepted.—
Brenton Blanchet,
PEOPLE,
8 Sep. 2025
Cite this Entry
“Adverse.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adverse. Accessed 14 Sep. 2025.
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