chastity
/ˈtʃæstətɪ/noun
mass noun
- the state or practice of refraining from extramarital, or especially from all, sexual intercourse（对婚姻的）忠贞; 贞洁（尤指禁欲）：
vows of chastity.
保持贞洁的誓约。
词源
Middle English: from Old French chastete, from Latin castitas, from castus 'morally pure' （see CHASTE）.