noun :: A faithless or disloyal person. A Coward.
"When little Vladimir finally relinquished her, with assurances that he was 'desolated to leave so early', she was ready to rest, and see how her recreant knight had borne his punishment." -- Louisa May Alcott
adj :: Of a gloomy or surly disposition.
"I could tell I was in trouble by the saturnine expression on the face of the officer who pulled me over."
verb :: To reduce the violence or intensity.
"The doctor tried unsuccessfully to palliate the pain that resulted from the disease".
adj :: Lacking energy or vitality. Weak.
"The touring rock star gave a languid smile and wave to his fans before going inside and sleeping for 15 straight hours."
verb :: To utter maliciously false statements or charges.
"The crook did not hesitate to calumniate the police for framing him."