not having had sex, or only having a sexual relationship with the person you are married to纯洁的;贞洁的
In the past, a woman needed to be chaste to make a good marriage.在过去,只有童贞未破的女子才有可能嫁得好。
They exchanged a few chaste kisses (= not expressing sexual desire).他们纯洁地互吻了几下。
used to describe decoration or style that is very simple and smooth(装饰或风格)简洁朴实的
I like the simple, chaste lines of their architecture.我喜欢他们线条简洁朴实的建筑。