'Immovable' in the Bible

The folds of his flesh are joined together,solid as metal and immovable.

Man cannot be made secure by wickedness,but the root of the righteous is immovable.

"Look at Zion, city of our festivals! Your eyes will see Jerusalem, an undisturbed abode, an immovable tent; its stakes will never be pulled up, nor will any of its ropes be broken.

Now again I looked up, and four chariots were coming out from between two mountains; and the mountains were mountains of [firm, immovable] bronze (divine judgment).