Definition of ANGER

• a strong emotion; a feeling that is oriented toward some real or supposed grievance
• make angry; "The news angered him"
• the state of being angry

Source : http://www.google.com.my/search?hl=en&biw=1276&bih=900&defl=en&q=define:anger&sa=X&ei=_SrhTNa0MILSuwOSz6TpDg&ved=0CBoQkAE

anger 

a feeling of great annoyance or antagonism as the result of some real or supposed grievance; rage; wrath

Source : http://www.thefreedictionary.com/anger