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Synonyms

adversely

American  
[ad-vurs-lee] / ædˈvɜrs li /

adverb

  1. in a negative, contrary, or unfavorable way or direction.

    The report details eleven risk factors that the authors believe adversely affect children's development and well-being.


Other Word Forms

Etymology

Origin of adversely

adverse ( def. ) + -ly

Explanation

When something affects you adversely, it's harmful or negative. Holding a cinder block will adversely affect your running speed. When you talk about things that are acting adversely, they are harming something or holding it back in some way. Not getting enough sleep will adversely affect your performance in school. Rain will adversely affect an outdoor wedding. Anything that's making things worse instead of better is adversely influencing the situation. Adversely means something close to badly or harmfully. So when you see this word, you know something is going wrong.

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Vocabulary lists containing adversely

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The United Farm Workers, along with more than a dozen farmworkers, filed a federal lawsuit in California challenging a new Labor Department rule they argue will “undercut and adversely affect” wages paid to U.S. workers.

From Los Angeles Times Aug. 26, 2026

McCoubrey said he was not shocked to discover that people living in the most deprived areas were more adversely affected by pain than others.

From BBC Aug. 23, 2026

People who depend on fixed-rate pensions or flat-rate annuities are the most adversely affected, because those do not incorporate inflation into their payments.

From MarketWatch Jul. 29, 2026

People who had the skills and aptitudes to adapt to those forces did very well, and people who were affected more adversely did not.

From The Wall Street Journal Jun. 4, 2026

“That’s what I said! But Dr. Culligan said I had to ‘react adversely to the stimuli’ before she could prescribe me anything.”

From "Liar, Liar" by Gary Paulsen

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