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 company failed to prevent the pollution and its adverse impacts.
—
Noelle Phillips, Denver Post, 26 June 2025
As the meeting progressed, several committee members voiced debunked anti-vaccine talking points, including that most adverse events aren't reported and that a part of the coronavirus called the spike protein lingers in the body for months to years after vaccination.
—Aria Bendix, NBC news, 25 June 2025
This year brought two new adverse factors — President Donald Trump’s tariffs that could generate retaliatory tariffs, depressing export markets, and Trump’s sweeps of undocumented immigrants, who are a major portion of the agricultural labor force.
—Dan Walters, Mercury News, 25 June 2025
Risks and precautions Research has shown that NSAIDs have multiple adverse effects and should be used with caution, both doctors pointed out.
—Khloe Quill, FOXNews.com, 18 June 2025
See All Example Sentences for adverse
Noelle Phillips, Denver Post, 26 June 2025
As the meeting progressed, several committee members voiced debunked anti-vaccine talking points, including that most adverse events aren't reported and that a part of the coronavirus called the spike protein lingers in the body for months to years after vaccination.
—Aria Bendix, NBC news, 25 June 2025
This year brought two new adverse factors — President Donald Trump’s tariffs that could generate retaliatory tariffs, depressing export markets, and Trump’s sweeps of undocumented immigrants, who are a major portion of the agricultural labor force.
—Dan Walters, Mercury News, 25 June 2025
Risks and precautions Research has shown that NSAIDs have multiple adverse effects and should be used with caution, both doctors pointed out.
—Khloe Quill, FOXNews.com, 18 June 2025
See All Example Sentences for adverse
Recent Examples of Synonyms for adverse
Adjective
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Macroeconomic Vulnerability Broadcom’s stock has exhibited lower resilience during unfavorable market conditions compared to the overall market.—
Trefis Team,
Forbes.com,
27 June 2025
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The deal allegedly promised Netanyahu positive coverage in Mozes’ newspaper Yediot Ahronoth while the Israeli Prime Minister would consider legislation unfavorable to rival newspaper Israel Hayom.—
Chad de Guzman,
Time,
26 June 2025
Adjective
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This is especially detrimental because personal health doesn’t send urgent alerts the way business metrics do.—
Julian Hayes II,
Forbes.com,
29 June 2025
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Along with cannabis, alcohol consumption and smoking can be detrimental to fertility.—
Doc Louallen,
ABC News,
27 June 2025
Adjective
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However, there is one caveat that needs to be addressed: the negative fan score was posted before the show was even released.—
Braedon Montgomery,
Forbes.com,
28 June 2025
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On key international conflicts, Trump's ratings skew negative.—
Martha McHardy,
MSNBC Newsweek,
28 June 2025
Adjective
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Research has found that building roads can fragment habitats, disrupt ecosystems, and increase erosion and sediment pollution in drinking water, among other potentially harmful outcomes.—
Hayley Smith,
Los Angeles Times,
24 June 2025
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Bezos' wedding splurge is seen as unnecessary and harmful by protesters.—
Giulia Carbonaro,
MSNBC Newsweek,
23 June 2025
Adjective
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Meanwhile, Syria has turned from a fertile ground to a hostile one for Iran and its assets, after the Assad regime was toppled in December.—
Lina Khatib,
Time,
19 June 2025
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Republican leaders there have long seen many local school boards as hostile to potential charter school operators, resulting in a steady push to find ways for operators to apply to the state.—
Kate Payne,
The Orlando Sentinel,
18 June 2025
Adjective
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The primary risks for the Midwest will be damaging winds, hail, flash flooding and the possibility of tornadoes.—
Daniel Manzo,
ABC News,
23 June 2025
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The National Weather Service issued a moderate risk alert for severe thunderstorms across parts of North Dakota and Minnesota, warning that conditions could lead to tornadoes, damaging winds, and large hail throughout Friday evening and overnight.—
Martha McHardy,
MSNBC Newsweek,
21 June 2025
Adjective
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And the Santa Barbara temblor revealed just how dangerous brick buildings built in that era could be.—
Rong-Gong Lin II,
Los Angeles Times,
29 June 2025
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After landing, the most dangerous times, statistically speaking, are takeoff, approach, and initial climb.—
Katie Jackson,
Travel + Leisure,
29 June 2025
Adjective
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After several months of strong economic news but incredibly weak consumer sentiment, America is starting to see those trends reverse: The vibes are on the rebound, but evidence is mounting that the economy is getting worse.—
David Goldman,
CNN Money,
28 June 2025
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In your garden, stink bugs can be a real bad problem...—
Steve Bender,
Southern Living,
28 June 2025
Cite this Entry
“Adverse.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adverse. Accessed 3 Jul. 2025.
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