Sentence:  He was so gifted, so lovable, but so great an extremist, they said; he overdrove himself always one way or another; and when he married the wrong woman, the mistake tortured him more than it might have done other men. “He's <WSD>devil-ridden</WSD> with that temperament of his,” Bricksham said once to his wife. 
Meaning of the word marked with <WSD> tags:  Suffering from mental anguish.