adjective \ad-ˈvərs, ˈad-ˌ\

: bad or unfavorable : not good

Full Definition of ADVERSE

:  acting against or in a contrary direction :  hostile <hindered by adverse winds>
a :  opposed to one's interests <an adverse verdict> <heard testimony adverse to their position>; especially :  unfavorable <adverse criticism>
b :  causing harm :  harmful <adverse drug effects>
archaic :  opposite in position
ad·verse·ly adverb
ad·verse·ness noun

Examples of ADVERSE

  1. <all the adverse publicity really caused the movie star's popularity to suffer>
  2. <the adverse effects of the drug are too severe to allow it to be marketed>
  3. The Bankruptcy Code requires that debtor's counsel be disinterested and not have an interest adverse to the estate. —Lawyers Weekly USA, 4 Oct. 1999

Origin of ADVERSE

Middle English, from Anglo-French advers, from Latin adversus, past participle of advertere
First Known Use: 14th century


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