'Whitewash' in the Bible

It is definitely because they have misled My people by saying, ‘Peace!’ when there is no peace. And when anyone builds a wall, behold, they plaster it over with whitewash;

so tell those who plaster it over with whitewash, that it will fall. A flooding rain will come, and you, O hailstones, will fall; and a violent wind will break out.

So I will tear down the wall which you plastered over with whitewash and bring it down to the ground, so that its foundation is laid bare; and when it falls, you will be consumed in its midst. And you will know that I am the Lord.

Thus I will spend My wrath on the wall and on those who have plastered it over with whitewash; and I will say to you, ‘The wall is gone and its plasterers are gone,

Her prophets have smeared whitewash for them, seeing false visions and divining lies for them, saying, ‘Thus says the Lord God,’ when the Lord has not spoken.