形容词

1. 童贞的；贞洁的;禁欲的
If you describe a person or their behaviour as chaste, you mean that they do not have sex with anyone, or they only have sex with their husband or wife.

2. 简洁的;朴实的;不重装饰的
Something that is chaste is very simple in style, without very much decoration.

1. morally pure (especially not having experienced sexual intercourse)

e.g. a holy woman innocent and chaste

2. abstaining from unlawful sexual intercourse

3. pure and simple in design or style

e.g. a chaste border of conventionalized flowers