To most people, being clean simply means to be free from dirt or contamination. In the Bible, however, the idea of being clean is denoted by a number of Hebrew and Greek words that describe cleanness not just in the physical sense but more often in the moral and spiritual sense.
امّا واژگان عبری و یونانی‌ای که در کتاب مقدّس پاکی و طهارت را توصیف می‌کنند بیشتر به پاکی اخلاقی و معنوی اشاره دارند تا پاکی جسم .‏