Sentence:  Then, at three, for Neville's sake and for the sake of her marriage as undernourished and spectral as it had been rendered by absence, its substance being all in the future, and an honest hope of hearing some news or of extending solace to other women, not least those with children, who seemed each to have an <WSD>acuter</WSD> sense of the man she was missing than Alice had of Neville, she attended the Friday meeting for wives and mothers of prisoners of war at the School of the Arts. 
Meaning of the word marked with <WSD> tags:  Intense, sensitive, sharp.