'Secret' in the Bible

therefore the Lord will make bald the crown of the head of the daughters of Zion, and Jehovah will lay bare their secret parts.

and I will give thee the treasures of darkness, and hidden riches of secret places; that thou mayest know that I, Jehovah, who call thee by name, am the God of Israel.

I have not spoken in secret, in a dark place of the earth; I said not unto the seed of Jacob, Seek me in vain: I am Jehovah, speaking righteousness, declaring things which are right.

Come near unto me, hear ye this: I have not spoken in secret from the beginning; from the time that it was, there am I; and now the Lord Jehovah hath sent me, and his Spirit.

who sit down among the graves, and lodge in the secret places; who eat swine's flesh, and broth of abominable things is in their vessels;