Definitions of vanish:

• verb:   become invisible or unnoticeable

  Example: "The effect vanished when day broke"

• verb:   cease to exist

  Example: "An entire civilization vanished"

• verb:   decrease rapidly and disappear

  Example: "The money vanished in las Vegas"

• verb:   get lost, especially without warning or explanation
• verb:   pass away rapidly
• name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #17097)