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ad·verse·ly | \ ad-ˈvərs-lē 
, ˈad-ˌvərs- \
, ˈad-ˌvərs- \Definition of adversely
: 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 affectReductions 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
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Time Traveler for adversely
The first known use of adversely was in 1593
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