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
So wouldn't being intoxicated actually have an adverse effect on foreign language fluency?
—
ArsTechnica, 18 Sep. 2025
Report a complaint or adverse event (illness or serious allergic reaction) by visiting Industry and Consumer Assistance.
—Natalie Neysa Alund, USA Today, 17 Sep. 2025
For instance, close follow-up lowers hospital readmission rates and helps prevent adverse events.
—MSNBC Newsweek, 17 Sep. 2025
Studies show that drinking prune juice can reduce constipation symptoms without triggering adverse side effects like gas and loose stools.
—Jillian Kubala, Health, 17 Sep. 2025
See All Example Sentences for adverse
ArsTechnica, 18 Sep. 2025
Report a complaint or adverse event (illness or serious allergic reaction) by visiting Industry and Consumer Assistance.
—Natalie Neysa Alund, USA Today, 17 Sep. 2025
For instance, close follow-up lowers hospital readmission rates and helps prevent adverse events.
—MSNBC Newsweek, 17 Sep. 2025
Studies show that drinking prune juice can reduce constipation symptoms without triggering adverse side effects like gas and loose stools.
—Jillian Kubala, Health, 17 Sep. 2025
See All Example Sentences for adverse
Recent Examples of Synonyms for adverse
Adjective
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An unfavorable past Amid the AI race heating up, the United States has banned China from using its most advanced AI products, including NVIDIA’s H100 and H200 chips.—
Atharva Gosavi,
Interesting Engineering,
18 Sep. 2025
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Sherrill received a 40 percent favorability rating, compared to a 29 percent unfavorable rating.—
Anna Commander,
MSNBC Newsweek,
17 Sep. 2025
Adjective
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But the project — and two more down the pike — may also prove detrimental to decades of planning by Sutter County, adding hurdles while restricting the scope of Sutter Pointe, a decades-long housing plan just north of the Sacramento County line.—
Jake Goodrick,
Sacbee.com,
23 Sep. 2025
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Maternal Control Plays a Big Part Most people can agree that rules and boundaries are essential during adolescence, but this research shows that going too far can be detrimental.—
Sarah Scott,
Parents,
23 Sep. 2025
Adjective
-
The conversation touched on handling negative criticism.—
Naman Ramachandran,
Variety,
20 Sep. 2025
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Think about using the experience of a negative limerent episode as an opportunity to improve your life.—
Marielle Segarra,
NPR,
20 Sep. 2025
Adjective
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This vaporized the harmful metals in the red mud, and left behind a purified compound rich in aluminum.—
New Atlas,
New Atlas,
17 Sep. 2025
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No one has gotten sick, but lead can be harmful to young children’s development.—
DeVonne Goode,
Parents,
17 Sep. 2025
Adjective
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The team's away record is also impressive, with two wins and one draw, showcasing its ability to perform under pressure in hostile environments.—
Ben Verbrugge,
MSNBC Newsweek,
18 Sep. 2025
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More than thirty signs referencing racial discrimination and the hostile attitudes of white people to those who were formerly enslaved will come down or be partially covered.—
News Desk,
Artforum,
18 Sep. 2025
Adjective
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The primary hazard with the upcoming weather will be lightning — the storms are not expected to bring damaging winds, large hail or flooding, Sheppard said.—
Kelli Arseneau,
jsonline.com,
19 Sep. 2025
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This makes the AirLight Pro more efficient (less heat is lost to the air), less damaging (not as much heat is needed to dry your hair), and seriously speedy.—
Sophia Panych,
Allure,
16 Sep. 2025
Adjective
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Google is now forcing AI summaries at the top of web searches, which reduce traffic to websites and often provide dangerous misinformation.—
ArsTechnica,
ArsTechnica,
22 Sep. 2025
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The oversimplification of a complex developmental difference that exists on a spectrum of many different abilities and experiences is dehumanizing at best and dangerous at its worst, autism experts, advocacy groups and members of the community told USA TODAY.—
Mary Walrath-Holdridge,
USA Today,
22 Sep. 2025
Adjective
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But what if cold plunges are actually bad for women?—
Korin Miller,
SELF,
22 Sep. 2025
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The alternative — nothing — would certainly be worse.—
ProPublica,
ProPublica,
22 Sep. 2025
Cite this Entry
“Adverse.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adverse. Accessed 24 Sep. 2025.
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