Verses with the word melt in the Old Testament (14 verses):

Exodus 15:15
Then the dukes of Edom shall be amazed; the mighty men of Moab, trembling shall take hold upon them; all the inhabitants of Canaan shall melt away.

Joshua 2:11
And as soon as we had heard these things, our hearts did melt, neither did there remain any more courage in any man, because of you: for the LORD your God, he is God in heaven above, and in earth beneath.

Joshua 14:8
Nevertheless my brethren that went up with me made the heart of the people melt: but I wholly followed the LORD my God.

2 Samuel 17:10
And he also that is valiant, whose heart is as the heart of a lion, shall utterly melt: for all Israel knoweth that thy father is a mighty man, and they which be with him are valiant men.

Psalms 58:7
Let them melt away as waters which run continually: when he bendeth his bow to shoot his arrows, let them be as cut in pieces.

Psalms 112:10
The wicked shall see it, and be grieved; he shall gnash with his teeth, and melt away: the desire of the wicked shall perish.

Isaiah 13:7
Therefore shall all hands be faint, and every man's heart shall melt:

Isaiah 19:1
The burden of Egypt. Behold, the LORD rideth upon a swift cloud, and shall come into Egypt: and the idols of Egypt shall be moved at his presence, and the heart of Egypt shall melt in the midst of it.

Jeremiah 9:7
Therefore thus saith the LORD of hosts, Behold, I will melt them, and try them; for how shall I do for the daughter of my people?

Ezekiel 21:7
And it shall be, when they say unto thee, Wherefore sighest thou? that thou shalt answer, For the tidings; because it cometh: and every heart shall melt, and all hands shall be feeble, and every spirit shall faint, and all knees shall be weak as water: behold, it cometh, and shall be brought to pass, saith the Lord GOD.

Ezekiel 22:20
As they gather silver, and brass, and iron, and lead, and tin, into the midst of the furnace, to blow the fire upon it, to melt it; so will I gather you in mine anger and in my fury, and I will leave you there, and melt you.

Amos 9:5
And the Lord GOD of hosts is he that toucheth the land, and it shall melt, and all that dwell therein shall mourn: and it shall rise up wholly like a flood; and shall be drowned, as by the flood of Egypt.

Amos 9:13
Behold, the days come, saith the LORD, that the plowman shall overtake the reaper, and the treader of grapes him that soweth seed; and the mountains shall drop sweet wine, and all the hills shall melt.

Nahum 1:5
The mountains quake at him, and the hills melt, and the earth is burned at his presence, yea, the world, and all that dwell therein.