1 Kings 20:38

So the prophet departed and waited for the king by the way and disguised himself with a veil over his eyes.

1 Kings 14:2

And Jeroboam said to his wife, Arise, I pray thee, and disguise thyself, that thou not be known to be the wife of Jeroboam, and go to Shiloh, for Ahijah the prophet is there, who told me that I should be king over this people.

2 Samuel 14:2

And Joab sent to Tekoa and brought an astute woman from there and said unto her, I pray thee, feign thyself to be a mourner and put on mourning apparel and do not anoint thyself with oil, but be as a woman that has mourned for a long time for someone who is dead

1 Kings 22:30

And the king of Israel said unto Jehoshaphat, I will disguise myself and enter into the battle, but put thou on thy robes. And the king of Israel disguised himself and went into the battle.

Matthew 6:16

Moreover when ye fast, be not, as the hypocrites, of a sad countenance, for they disfigure their faces that they may appear unto men to fast. Verily I say unto you, They already have their reward.

Treasury of Scripture Knowledge

Summary

So the prophet departed, and waited for the king by the way, and disguised himself with ashes upon his face.

Bible References

Disguised

1 Kings 14:2
And Jeroboam said to his wife, Arise, I pray thee, and disguise thyself, that thou not be known to be the wife of Jeroboam, and go to Shiloh, for Ahijah the prophet is there, who told me that I should be king over this people.
1 Kings 22:30
And the king of Israel said unto Jehoshaphat, I will disguise myself and enter into the battle, but put thou on thy robes. And the king of Israel disguised himself and went into the battle.
2 Samuel 14:2
And Joab sent to Tekoa and brought an astute woman from there and said unto her, I pray thee, feign thyself to be a mourner and put on mourning apparel and do not anoint thyself with oil, but be as a woman that has mourned for a long time for someone who is dead
Matthew 6:16
Moreover when ye fast, be not, as the hypocrites, of a sad countenance, for they disfigure their faces that they may appear unto men to fast. Verily I say unto you, They already have their reward.