Definition of adverse | Bee Dictionary of English

It appears that the banking system was not resilient enough to face the adverse economic conditions and came down like a pack of cards.
Experimental drugs often cause adverse reactions on patients causing untold misery and deaths.
A study is being conducted to find out the adverse effects of the computer monitor on human health.

Dietary Supplements Oxyphen, Phentalene, Phen FX, and Red Vipers Recall
A number of adverse effects associated with DMAA containing dietary supplements have been reported to the FDA.
June 23, 2013 - Kansas City InfoZine
Liberty Union High School District will better prepare for difficult graduation weather
Brentwood: After the heat wave that struck Heritage and Freedom high schools' graduation ceremonies, Liberty Union High School District officials are discussing changes in future graduations that might better accommodate adverse weather.
June 23, 2013 - Contra Costa Times
Apple warns of "chilling effect" as antitrust trial ends
By Nate Raymond NEW YORK (Reuters) - Apple Inc, on trial for allegedly colluding to raise the price of e-books, said on Thursday an adverse ruling would have a "chilling effect" on how businesses investigate new markets. If Apple was found guilty, it would "send shudders through the business community" by condemning the ordinary negotiations that companies undertake to enter new markets, the ...
June 21, 2013 - Reuters via Yahoo! News

Ben Bernanke in FOXNews
To break that adverse feedback loop, it is essential that we continue to complement fiscal stimulus with strong government action to stabilize financial institutions and financial markets,Bernanke said.
Jimmy Carter in Washington Post
I think as far as the adverse impact on the nation around the world, this administration has been the worst in history,Carter told the Arkansas Democrat-Gazette in a story that appeared in the newspaper's Saturday editions. "The overt...