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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An unfavorable past Amid the AI race heating up, the United States has banned China from using its most advanced AI products, including NVIDIA’s H100 and H200 chips.—
Atharva Gosavi,
Interesting Engineering,
18 Sep. 2025
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Sherrill received a 40 percent favorability rating, compared to a 29 percent unfavorable rating.—
Anna Commander,
MSNBC Newsweek,
17 Sep. 2025
Adjective
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Research is also abundant on the long-term detrimental impact of childhood trauma on a person’s mental and physical health through their adult life.—
Arash Javanbakht,
The Conversation,
15 Sep. 2025
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It can be gone in the blink of an eye, so to spend it on people that aren’t fulfilling me and to spend it on work that isn’t fulfilling me, to spend it on anything that isn’t fulfilling, is detrimental to him.—
Nicole Fell,
HollywoodReporter,
15 Sep. 2025
Adjective
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There is also, generally speaking, universal admission that boy, this game sure runs terribly on PC, leading to a huge number of negative Steam reviews, causing the game to be Mixed there.—
Paul Tassi,
Forbes.com,
13 Sep. 2025
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Then, there’s the power to see through all of that, through what could be perceived as pain or a negative situation, and see the colorfulness of my culture, the warmth of my culture, and the community, as well.—
Lisa Deaderick,
San Diego Union-Tribune,
13 Sep. 2025
Adjective
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This vaporized the harmful metals in the red mud, and left behind a purified compound rich in aluminum.—
New Atlas,
New Atlas,
17 Sep. 2025
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No one has gotten sick, but lead can be harmful to young children’s development.—
DeVonne Goode,
Parents,
17 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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Demonizing or attempting to eliminate those who think differently – literally or symbolically – has become a dangerous norm, which is all too evident in the wake of the Kirk shooting.—
Arash Javanbakht,
The Conversation,
15 Sep. 2025
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During volatile periods, this becomes especially dangerous because customer loyalty becomes more fragile and harder to rebuild.—
Talbott Roche,
Forbes.com,
15 Sep. 2025
Adjective
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But that’s actually a bad thing for a couple reasons.—
Jeff Fedotin,
Forbes.com,
15 Sep. 2025
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But worse than the poverty was the verbal and physical abuse from his father.—
John Blake,
CNN Money,
14 Sep. 2025
Cite this Entry
“Adverse.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adverse. Accessed 19 Sep. 2025.
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