disappear, etc. into thin air

disappear into thin air

To vanish completely and without a trace. I would give you my stapler, but it seems to have disappeared into thin air.
See also: air, disappear, thin
Farlex Dictionary of Idioms.

disappear, etc. into thin ˈair

disappear, etc. suddenly and in a mysterious way: The money vanished into thin air. Nobody knows what happened to it.
See also: air, thin
Farlex Partner Idioms Dictionary
See also:
  • disappear into thin air
  • up and away
  • air (one's) grievances
  • air grievances
  • air one's grievances
  • grievance
  • dance on air
  • walk on air
  • walk on air, to
  • float on air