adversely

adverb

ad·​verse·​ly ad-ˈvərs-lē 

ˈad-ˌvərs-

: in an adverse manner : in a way that is bad or harmful

Determining which drugs—if any—may have interacted adversely with others is difficult.

—Nancy Ann Jeffrey and Robert Langreth

—often used with affect

Reductions in staffing are affecting the company adversely.

Taking a loan from your retirement account may adversely affect your retirement savings, but there are instances when taking such a loan makes sense.

—Denise Appleby

Examples of adversely in a Sentence

Recent Examples on the Web

But most writers, even those adversely affected, are quick to point out that the writing was on the wall well before the strikes. —Katie Campione, Deadline, 1 Apr. 2026

Using advanced analytical characterization techniques, this analysis also assesses for inorganic compounds that may adversely affect laser treatment. —Etiido Uko march 28, New Atlas, 28 Mar. 2026

Other prices set to rise The Iran war is also adversely affecting other key sectors of the economy. —Megan Cerullo, CBS News, 27 Mar. 2026

The big engine weighed down the car’s front end too much, adversely affecting the SL’s ride and handling. —Brett Berk, Robb Report, 27 Mar. 2026

Word History

First Known Use

1593, in the meaning defined above

Rhymes for adversely

• diversely
• inversely
• perversely
• reversely
• transversely
• tersely