'Secret' in the Bible

Then give ear from heaven your living-place, answering with forgiveness, and give to every man, whose secret heart is open to you, the reward of all his ways; (for you, and you only, have knowledge of the hearts of the children of men;)

And Solomon gave her answers to all her questions; there was no secret which he did not make clear to her.

And he went in search of Ahaziah; and when they came where he was, (for he was in a secret place in Samaria,) they took him to Jehu and put him to death; then they put his body to rest in the earth, for they said, He is the son of Jehoshaphat, whose heart was true to the Lord. So the family of Ahaziah had no power to keep the kingdom.

But when they had made a secret design against him, he was stoned with stones, by the king's order, in the outer square of the Lord's house.

And when they had gone away from him, (for he was broken with disease,) his servants made a secret design against him because of the blood of the son of Jehoiada the priest, and they put him to death on his bed; and they put his body into the earth in the town of David, but not in the resting-place of the kings.

Now from the time when Amaziah gave up worshipping the Lord, they made secret designs against him in Jerusalem; and he went in flight to Lachish: but they sent to Lachish after him and put him to death there.

More than this, he made his children go through the fire in the valley of the son of Hinnom; and he made use of secret arts, and signs for reading the future, and unnatural powers, and gave positions to those who had control of spirits and to wonder-workers: he did much evil in the eyes of the Lord, moving him to wrath.

And his servants made a secret design against him, and put him to death in his house.