They shall all cover their lips. — As the lepers, who were cut off from all communication with men, so also these false prophets, being cut off from all communion with God, were to “put a covering upon the upper lip.” It was also a sign of mourning for one dead, and Ezekiel was commanded to awaken the astonishment of the people by omitting to cover his upper lip when his wife died.
Related Commentaries of Micah 3:7
Micah 3:7
7 Then shall the seers be ashamed, and the diviners confounded: yea, they shall all cover their lips;a for there is no answer of God.