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
No illnesses or adverse reactions had been reported as of the last FDA update.
—
Jasmine Laws, MSNBC Newsweek, 19 May 2025
Whereas a wealth of data has shown that less than 0.5% of women who take mifepristone have serious adverse reactions, the report claims the true number is around 11%.
—Aria Bendix, NBC news, 19 May 2025
However, exposure to too much fluoride can lead to adverse effects.
—Soph Warnes, CNN Money, 15 May 2025
Mowing too little or too much can have adverse consequences for the health of the lawn and can also encourage unwanted plants to grow.
—Lauren David, Southern Living, 11 May 2025
See All Example Sentences for adverse
Jasmine Laws, MSNBC Newsweek, 19 May 2025
Whereas a wealth of data has shown that less than 0.5% of women who take mifepristone have serious adverse reactions, the report claims the true number is around 11%.
—Aria Bendix, NBC news, 19 May 2025
However, exposure to too much fluoride can lead to adverse effects.
—Soph Warnes, CNN Money, 15 May 2025
Mowing too little or too much can have adverse consequences for the health of the lawn and can also encourage unwanted plants to grow.
—Lauren David, Southern Living, 11 May 2025
See All Example Sentences for adverse
Recent Examples of Synonyms for adverse
Adjective
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Comparable sales for the quarter decreased 1.7% blamed on unfavorable weather earlier in the year, while pro and online sales grew.—
Catherine Muccigrosso,
Charlotte Observer,
21 May 2025
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This compares to an unfavorable score of 65 percent, for those who disliked her, giving her a net approval rating of minus 45.—
Jack Royston,
MSNBC Newsweek,
14 May 2025
Adjective
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The multitrillion-dollar GOP tax bill could have detrimental impacts on decarbonization efforts in the U.S., according to energy experts.—
Julia Jacobo,
ABC News,
23 May 2025
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President Donald Trump's economic agenda is having a detrimental impact on workplace mental health, according to the American Psychological Association (APA).—
Hugh Cameron,
MSNBC Newsweek,
22 May 2025
Adjective
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About 92% of those with positive blood test results had confirmed amyloid plaques, while negative results were confirmed in 97% of participants.—
Jennifer Klump,
Verywell Health,
23 May 2025
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The only negative in a sublime opening period for Florida was Sam Reinhart leaving with an apparent knee injury after enduring a questionable hip-check hit from Sebastian Aho that the league should take a look at.—
Greg Cote,
Miami Herald,
23 May 2025
Adjective
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Some of these harmful ideologies might be downstream of these larger root causes.—
ArsTechnica,
ArsTechnica,
30 May 2025
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The jury is still out on whether emulsifiers are harmful to the gut.—
Fran Kritz,
Verywell Health,
30 May 2025
Adjective
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Some of countries in the continent that are rich in uranium, such as Niger and Gabon, may be delicate or difficult to deal with in the near term as both underwent military coups recently, with Niger turning hostile toward the French and more toward the Russians.—
Ariel Cohen,
Forbes.com,
26 May 2025
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The game is scheduled to tip off at 8 p.m. ET and Pacers fans are sure to bring the energy and create a hostile atmosphere for New York.—
Evan Massey,
MSNBC Newsweek,
26 May 2025
Adjective
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Potent thunderstorms across the central and eastern U.S. this week could trigger flash floods, damaging winds and possible tornadoes as California prepares for its first heat wave of the season.—
Christopher Cann,
USA Today,
29 May 2025
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Large hail and damaging winds are the primary threats, with a low (non-zero) tornado threat.—
Anna Skinner,
MSNBC Newsweek,
28 May 2025
Adjective
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Mensah and Bharadwaj take dangerous risks exploring an unknown area while Gurathin confronts Murderbot.—
Billie Melissa,
MSNBC Newsweek,
24 May 2025
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The reason is that getting on and off a tall bed or sofa can be dangerous for your furry friend and result in potential injuries.—
Maria Sabella,
Better Homes & Gardens,
24 May 2025
Adjective
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But, are seed oils worse than saturated animal fats?—
Marianne Krasny,
Forbes.com,
23 May 2025
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Men and women respond to the Nazi dictatorship by becoming, at best, evasive and feebly self-justifying, at worst, morally broken.—
David Denby,
New Yorker,
23 May 2025
Cite this Entry
“Adverse.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adverse. Accessed 4 Jun. 2025.
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