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
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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
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of adverse
Fairlead Strategies or its affiliates may have positions in financial instruments mentioned, may have acquired such positions at prices no longer available, and may have interests different from or adverse to your interests or inconsistent with the advice herein.
—
Katie Stockton, CNBC, 13 Oct. 2025
On his website, Nevin also highlights his ability to serve as an expert witness and consultant in legal cases that involve adverse effects from certain antimalarial drugs.
—Anna Clark, ProPublica, 13 Oct. 2025
Consuming high amounts of tannins may lead to adverse health effects in humans and animals, such as severe liver and kidney damage.
—Jenna Prestininzi, Freep.com, 9 Oct. 2025
Americans are wary of the adverse impact that artificial intelligence could have on US national security.
—Morgan Chalfant, semafor.com, 7 Oct. 2025
See All Example Sentences for adverse
Katie Stockton, CNBC, 13 Oct. 2025
On his website, Nevin also highlights his ability to serve as an expert witness and consultant in legal cases that involve adverse effects from certain antimalarial drugs.
—Anna Clark, ProPublica, 13 Oct. 2025
Consuming high amounts of tannins may lead to adverse health effects in humans and animals, such as severe liver and kidney damage.
—Jenna Prestininzi, Freep.com, 9 Oct. 2025
Americans are wary of the adverse impact that artificial intelligence could have on US national security.
—Morgan Chalfant, semafor.com, 7 Oct. 2025
See All Example Sentences for adverse
Recent Examples of Synonyms for adverse
Adjective
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Dougherty said the previous school board decided not to pursue a bond after unfavorable polling showed voters would not be in favor of a facilities bond in the 2024 election.—
Julie Gallant,
San Diego Union-Tribune,
14 Oct. 2025
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The iPhone 17′s margin could also be squeezed by an unfavorable product mix and a higher bill of materials cost.—
Lisa Kailai Han,
CNBC,
13 Oct. 2025
Adjective
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The Yankees lost a bidding war with the New Yorke Mets in the offseason for Soto and his departure proved to be detrimental to both parties.—
Barry M. Bloom,
Sportico.com,
12 Oct. 2025
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This is detrimental to their economy.—
Matthew Kayser,
USA Today,
10 Oct. 2025
Adjective
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In the aftermath of Kirk's death, waves of firings and suspensions have occurred across the country in connection to individuals’ social media posts about Kirk, as conservative politicians and influencers push for a crackdown on negative posts about the political podcaster.—
Craig Shoup,
Nashville Tennessean,
11 Oct. 2025
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However, Belichick’s NFL past continues to hover around this situation, from questions about his legacy to regular flare-ups involving the Patriots to suspicions within UNC’s program that some of the negative headlines have origins in New England.—
Dianna Russini,
New York Times,
11 Oct. 2025
Adjective
-
Back in August, OpenAI published an update to ChatGPT with stronger controls on the bot’s responses to certain conversational topics amid mounting concern that some users are building harmful emotional attachments to chatbots.—
Jack Guy,
CNN Money,
15 Oct. 2025
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This proposal, Pudelski believes, could be the most harmful for schools and educators.—
Sequoia Carrillo,
NPR,
15 Oct. 2025
Adjective
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In response, Stanton told him to go away, using an expletive, and sent a series of hostile messages, as well as one asking to meet in person, the complaint alleges.—
Laura Sharman,
CNN Money,
17 Oct. 2025
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But in the best-of-seven ALCS, the Jays needed four starters, so there was Scherzer, making his first appearance of the postseason in a hostile environment with his team needing a win to tie the series with the Seattle Mariners at two games apiece.—
Jackson Roberts,
MSNBC Newsweek,
17 Oct. 2025
Adjective
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The organization is also working with ranchers to establish prescribed burn associations to manage the damaging plants and is organizing community cutting days to reduce woody encroachment further.—
Kelli Bender,
PEOPLE,
17 Oct. 2025
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Strong winds capable of knocking out power and damaging or uprooting trees are the biggest threat, though there’s enough spin in the atmosphere to generate isolated tornadoes that can form quickly with little advance warning.—
Chris Dolce,
CNN Money,
17 Oct. 2025
Adjective
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Hat tips go to left tackle Jaylon Moore — who stepped in for Josh Simmons at the last minute, against one of the most dangerous pass rushers in the league — and, of course, Kelce.—
Kansas City Star,
Kansas City Star,
13 Oct. 2025
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Inexperienced swimmers should remain out of the water due to dangerous surf conditions.—
NC Weather Bot,
Charlotte Observer,
13 Oct. 2025
Adjective
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The rapid escalation of trade tensions sank US stocks on Friday, with the S&P 500 and Nasdaq recorded their worst day since April.—
John Liu,
CNN Money,
13 Oct. 2025
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Investors are eyeing a stock market rebound after Friday’s trade war flare-up sent the S&P 500 to its worst loss since April.—
Jason Ma,
Fortune,
13 Oct. 2025
Cite this Entry
“Adverse.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adverse. Accessed 19 Oct. 2025.
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