Definition of "adverse" []

• Acting or serving to oppose; antagonistic: adverse criticism. (adjective)
• Contrary to one's interests or welfare; harmful or unfavorable: adverse circumstances. (adjective)
• Moving in an opposite or opposing direction: adverse currents. (adjective)
• Archaic Placed opposite. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Major Nidal Hasan lectured senior Army physicians about what he called adverse effects if Muslim soldiers are sent to fight other Muslims."
• "Both Fannie and Freddie also tack on what they call adverse-market fees of one-quarter of 1% to all loans just to get you seated at the table."
• "Both Fannie and Freddie also tack on what they call adverse-market fees of one-quarter of 1 percent to all loans - the equivalent of cover charges at a night club - just to get you seated at the table."