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
In the trial, the drug was given as an intravenous (IV) infusion and was well tolerated across all dose levels, with no serious adverse events reported.
—
Fran Kritz,
Verywell Health,
17 June 2026
These conditions can increase your vulnerability to adverse effects from poor air quality.
—
Southern California Weather Report,
Oc Register,
17 June 2026
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,
15 June 2026
Sorsby and Texas Tech might also petition the NCAA to punish the Big 12 and other members for undermining a court order, improper conduct that the NCAA would ordinarily find problematic even if in this instance the NCAA is an adverse party to Sorsby.
—
Michael McCann,
Sportico.com,
13 June 2026
See All Example Sentences for adverse
Fran Kritz,
Verywell Health,
17 June 2026
These conditions can increase your vulnerability to adverse effects from poor air quality.
—
Southern California Weather Report,
Oc Register,
17 June 2026
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,
15 June 2026
Sorsby and Texas Tech might also petition the NCAA to punish the Big 12 and other members for undermining a court order, improper conduct that the NCAA would ordinarily find problematic even if in this instance the NCAA is an adverse party to Sorsby.
—
Michael McCann,
Sportico.com,
13 June 2026
See All Example Sentences for adverse
Recent Examples of Synonyms for adverse
Adjective
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The undertaking might seem crazy to those who diss the fight game or have unfavorable reviews of the current administration.
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Negotiating power is harder to see—until conditions become unfavorable and someone needs to act against the system their balance sheet depends on.
Adjective
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According to 24/7 Wall Street, the $60 billion all-stock AI company Anysphere acquisition, a $20 billon debt offering, and the future end of the lockup have been particularly detrimental to the maintenance of the share prices.
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There’s also the thought that onboarding a starting catcher midseason can be detrimental to a pitching staff, something that Yankees general manager Brian Cashman has expressed in the past.
Adjective
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But a recent poll shows that a majority abroad have a negative view of the country.
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Bass’ handling of the Palisades fire has had a long-lasting, negative impact on voters’ opinions of her.
Adjective
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Telegram said its moderation systems remove millions of pieces of harmful content each month, including non-consensual pornography.
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Developing a negative self-view as a result of these harmful experiences during your formative years is not uncommon.
Adjective
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The complaint alleges that school officials at Southern Hills Middle School failed to stop two years of antisemitic harassment against an eighth grader even after investigations concluded the student faced a hostile environment.
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Create an internal incident map and begin tagging hostile actions according to the DISARM taxonomy.
Adjective
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There is still time for boards to shape how AI is adopted before damaging practices become normalized.
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Now, researchers report that such a quake could be more widespread and damaging than previously thought.
Adjective
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Others develop dangerous fluctuations in blood pressure and abnormal heart rhythms because the autonomic nervous system becomes affected.
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Sometimes, the streets appear glittering; other times, seedy and dangerous.
Adjective
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Are those still your worst fears?
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While a higher tracker error is not bad in and of itself, most investors become uncomfortable when their portfolio acts so differently from the index.
Cite this Entry
“Adverse.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adverse. Accessed 25 Jun. 2026.
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