'Grief' in the Bible

And Moses said to Aaron and to Eleazar and Ithamar, his sons, Do not let your hair be loose, and give no signs of grief; so that death may not overtake you, and his wrath come on all the people; but let there be weeping among your brothers and all the house of Israel for this burning of the Lord's fire.

And the leper who has the disease on him is to go about with signs of grief, with his hair loose and his mouth covered, crying, Unclean, unclean.

And they will have grief for their sins and for the sins of their fathers, when their hearts were untrue to me, and they went against me;