To vanish is to disappear or leave suddenly as if by magic. When people or things vanish, it’s usually a surprise. This is an intransitive verb, so don’t place a direct object after the word.
No one knows what happened to Roberta’s jacket. It just vanished.
The little boy vanished from his home without a trace. ("Without a trace" is often used with the word "vanish." So is "into thin air." He vanished into thin air.)
Everyone vanished when it came (time) to clean up the mess from the party.
The women vanished inside the country never to be seen again.
Those products are so popular with shoppers they vanish as soon as they hit the shelves.
Bob never told anyone he was leaving. He just vanished.
An artist creates the illusion of distance in a two-dimensional picture by creating a vanishing point. (vanishing point = two lines come closer and closer together until they meet.)
Vanishing points in a picture create the illusion of distance.
Vanishing points in a picture create the illusion of distance.