Sentence:  Mr. Cameron had a respite Thursday from the negative chatter swirling around him when he appeared outside 10 Downing Street to <WSD>denounce</WSD> the murder a day before of a British soldier on a London street. 
Meaning of the word marked with <WSD> tags:  To criticize or speak out against (someone or something); to point out as deserving of reprehension, etc.; to openly accuse or condemn in a threatening manner; to invoke censure upon; to stigmatize; to blame.