vanish
v.v. to disappear suddenly and completely. You use this when something goes away so fast that you cannot see where it went.
v. to disappear suddenly or completely from sight; to cease to exist. Intransitive — does not take a direct object.
The magician made the rabbit vanish into thin air.
The morning mist began to vanish as soon as the sun rose over the hills.
In the mathematical context of a function, a value is said to vanish when it becomes zero, effectively removing its influence from the equation.
Aphetic for obsolete evanish, from Middle English vanyshen, evaneschen, from Old French esvanir, esvaniss- (modern French évanouir), from Vulgar Latin *exvanire (“to vanish, disappear, to fade out”), from Latin evanescere, from vanus (“empty”). Doublet of evanesce. Displaced native Old English cwincan, whose causative persists as quench (“put out (fire)”).
The verb is intransitive and cannot be used in the passive voice.
The keys were vanishedThe keys vanishedVanish is an intransitive verb and cannot be used in the passive voice.