become invisible

Guard it carefully, for the liquid it contains will cause you to become invisible, and safe from the piercing eyes of all fairies.

He may be a wizard, but he cannot make diamonds and pearls become invisible.

The days were spent in the desert in wandering purposelessly in search of the Apaches, who had at length become invisible.

And after he had become invisible to the mortals of the earth, he beheld thousands of cars of extra-ordinary beauty.

To me he had become invisible, and to him my feelings had not altered.