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
Four infants on Mead Johnson’s product experienced serious adverse events, compared with one on the Abbott product, the article reported.
—
David Hilzenrath, Miami Herald, 9 Apr. 2026
High blood pressure is treatable, but despite having access to effective and affordable medications, more than half of Americans still have uncontrolled hypertension, with rates going up in sync with adverse social determinants of health.
—Elizabeth Cooney, STAT, 8 Apr. 2026
Nalpac has not received any reports of adverse events related to this recall, according to the FDA.
—Mike Snider, USA Today, 8 Apr. 2026
The madman strategy is for not-crazy leaders caught in adverse predicaments.
—David Frum, The Atlantic, 8 Apr. 2026
See All Example Sentences for adverse
David Hilzenrath, Miami Herald, 9 Apr. 2026
High blood pressure is treatable, but despite having access to effective and affordable medications, more than half of Americans still have uncontrolled hypertension, with rates going up in sync with adverse social determinants of health.
—Elizabeth Cooney, STAT, 8 Apr. 2026
Nalpac has not received any reports of adverse events related to this recall, according to the FDA.
—Mike Snider, USA Today, 8 Apr. 2026
The madman strategy is for not-crazy leaders caught in adverse predicaments.
—David Frum, The Atlantic, 8 Apr. 2026
See All Example Sentences for adverse
Recent Examples of Synonyms for adverse
Adjective
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Among Jewish Democrats, opinion skews against AIPAC, with 37% having an unfavorable opinion and 29% favorable.—
Grace Gilson,
Sun Sentinel,
20 Apr. 2026
-
Despite the unfavorable wind, the mark was more than 14 feet farther than the gold medal-winning throw at the Olympic Games two weeks later.—
Scott M. Reid,
Oc Register,
17 Apr. 2026
Adjective
-
Though a breezy effortlessness around tasks might be appealing in the short term, the lack of friction can be detrimental in the long run.—
Theara Coleman,
TheWeek,
20 Apr. 2026
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Any action on either side to blockade this chain would prove detrimental to both naval and commercial traffic in the region.—
Christopher McFadden,
Interesting Engineering,
19 Apr. 2026
Adjective
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While free cash flow was still negative in Q1, it was much improved from a year ago.—
Jim Cramer,
CNBC,
22 Apr. 2026
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Sun says the type of content consumed can often have more of a negative impact than the length of screen time usage.—
Jeff Wagner,
CBS News,
22 Apr. 2026
Adjective
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Regulation remains uneven, education is inconsistent, and the line between a manageable high and a harmful one isn’t always clear, especially for younger or inexperienced users.—
Alison Foreman,
IndieWire,
20 Apr. 2026
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The rollbacks included minimum wage requirements for home healthcare workers and people with disabilities, and rules governing exposure to harmful substances and safety procedures at mines.—
Seung Min Kim,
Los Angeles Times,
20 Apr. 2026
Adjective
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On Tuesday a civil jury concluded that Lodes resigned involuntarily due to his reporting of a hostile workplace and was awarded the multimillion-dollar payment as compensation for his emotional damages.—
Clara Harter,
Los Angeles Times,
22 Apr. 2026
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The lawsuit claims Mavromatis experienced retaliatory consequences for raising concerns about the harassment and hostile work environment.—
Larisha Paul,
Rolling Stone,
22 Apr. 2026
Adjective
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Widespread damaging wind gusts and flooding rainfall are still to come as storms hit areas already battered by a multi-day onslaught of twisters, massive hail and historic flooding.—
Briana Waxman,
CNN Money,
17 Apr. 2026
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The biggest threats are large hail and damaging winds, though a few tornadoes are also possible.—
Kansas City Star,
Kansas City Star,
17 Apr. 2026
Adjective
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Police on Friday closed Kensington Gardens, a central London park visited by thousands of tourists and local residents every day, after a group that Israel has linked to Iran posted a video claiming Israel’s nearby London embassy was going to be attacked with drones carrying dangerous substances.—
ABC News,
ABC News,
20 Apr. 2026
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Portage police added that while some students play the game safely using brightly colored water guns, others have created dangerous situations that can trigger panic.—
Ashley Vega,
PEOPLE,
20 Apr. 2026
Adjective
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The combination of a shaky bullpen and even worse infield defense harmed the Twins multiple times during the team’s current four-game losing streak.—
Dan Hayes,
New York Times,
20 Apr. 2026
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To be unreasonable is to be a bad survivalist.—
Nikhil Krishnan,
New Yorker,
20 Apr. 2026
Cite this Entry
“Adverse.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adverse. Accessed 24 Apr. 2026.
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