'Hidden' in the Bible

Solomon answered all of her questions. Because nothing was hidden from Solomon, he hid nothing from her.

And Micaiah saith, 'Lo, thou dost see in that day, that thou dost enter into the innermost chamber to be hidden.'

Joash remained with them for six years, hidden in God's Temple while Athaliah reigned over the land.

Now after the death of Jehoiada [the priest, who had hidden Joash], the officials of Judah came and bowed down to King Joash; then the king listened to them.