Definition of "adverse" in English

adjective

1. Unfavorable; antagonistic in purpose or effect; hostile; actively opposing one's interests or wishes; contrary to one's welfare; acting against; working in an opposing direction.

   • adverse criticism
   • adverse weather

2. Opposed; contrary; opposing one's interests or desire.

   • adverse circumstances

3. (not comparable) Opposite; confronting.

   • the adverse page
   • the adverse party