Sentence:  It is not a medieval mental quirk or an attitude `` unnourished by sense '' to believe that husbands and wives should not be subjected to such a <WSD>risk</WSD> , or that such a possibility should not be permitted to endanger the confidentiality of the marriage relationship . 
Meaning of the word marked with <WSD> tags:  a source of danger; a possibility of incurring loss or misfortune