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
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
-
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
-
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
-
Mercury is a neurotoxin and can have detrimental effects on our health if levels are too high.—
Jessica Swirble,
Verywell Health,
20 Oct. 2025
-
The Vikings’ run defense has been detrimental to an otherwise strong group on that side of the ball.—
Jace Frederick,
Twin Cities,
17 Oct. 2025
Adjective
-
Police said that the driver sustained minor injuries and tested negative for any alcohol.—
Charlotte Phillipp,
PEOPLE,
19 Oct. 2025
-
According to Sports Talk Media Network on X, Swinney revealed that X-rays for Sadler were negative.—
Matthew Couden,
MSNBC Newsweek,
19 Oct. 2025
Adjective
-
The findings come just a couple years after another study conducted by Spanish and Brazilian researchers revealed the existence of potentially harmful bisphenol chemicals in clothing sold in Spain for pregnant women, newborns and toddlers.—
Jennifer Bringle,
Sourcing Journal,
22 Oct. 2025
-
According to one study, people may become either psychologically or physically dependent on caffeine, which may be harmful.—
Brittany Lubeck,
Verywell Health,
22 Oct. 2025
Adjective
-
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
-
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
-
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
-
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
-
This means too much potassium in your blood, which can be dangerous if not treated.—
Merve Ceylan,
Health,
20 Oct. 2025
-
The Mark is a spy flick centered on Eden (Alba), an enigmatic spy on a covert and dangerous mission.—
Matt Grobar,
Deadline,
20 Oct. 2025
Adjective
-
So sorry, fantasy coaches and anybody that bet on me, my bad.—
Michael Nowels,
Mercury News,
20 Oct. 2025
-
Joseph had maybe his worst day of the year.—
Luca Evans,
Denver Post,
20 Oct. 2025
Cite this Entry
“Adverse.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adverse. Accessed 24 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share