Ezekiel 4:8

⁸ And lo, I have put on thee thick bands, and thou dost not turn from side to side till thy completing the days of thy siege.

Lip

'A lip' in general signifies doctrine.

In Isaiah 6:3, 7, this signifies the interior parts of a person and thus internal worship where adoration is grounded.

In Isaiah 37:29, this signifies the thought of the understanding

In Malachi 2:6, 7, this denotes doctrine grounded in charity.

Dead (Genesis 23:8) signifies night in respect to the goodness and truth of faith.