(1):

(a.) Pure in design and expression; correct; free from barbarisms or vulgarisms; refined; simple; as, a chaste style in composition or art.

(2):

(a.) Unmarried.

(3):

(a.) Pure in thought and act; innocent; free from lewdness and obscenity, or indecency in act or speech; modest; as, a chaste mind; chaste eyes.

(4):

(a.) Pure from unlawful sexual intercourse; virtuous; continent.