Sentence:  "Some days, I try to imagine how <WSD>scurrilous</WSD> it would be for a left-leaning government in Canada to embark on such a costly political agenda for, say, a 10-year period, and still find itself unable to convince Canadians that the majority have benefited from this." 
Meaning of the word marked with <WSD> tags:  Gross, vulgar and evil.