adverse phoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhonetic PhoneticPhoneticPhoneticPhoneticPhonetic PhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticphonetic adjective [before n] 

1. going against something, or harmful 

    The match has been cancelled due to adverse weather conditions.
    They received a lot of adverse publicity/criticism about the changes.
    The advertising company responsible for the campaign say that they are surprised by the adverse public 
    reaction to the poster. [before n]
    A lot of local people are worried about the adverse impact that the road building scheme may have on 
    the environment.
    So far the drug is thought not to have any adverse effects.

adversely phoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhonetic PhoneticPhoneticPhoneticPhoneticPhoneticPhonetic PhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticphonetic adverb 

    A lot of companies have been adversely (=in a harmful way) affected by the recession.

This page is cited from Cambridge Dictionaries Online. For the original, please visit
http://dictionary.cambridge.org/define.asp?key=adverse*1+0