Noah Webster's Dictionary 1. (n.) Sexual or moral purity; celibacy; the state of being chaste; purity of body; freedom from unlawful sexual intercourse. 2. (n.) Purity. 3. (n.) The unmarried life. 4. (n.) Chasteness. Int. Standard Bible Encyclopedia CHASTE; CHASTITY chast, chas'-ti-ti. See CRIMES; MARRIAGE.