disappear/vanish into thin air

out of thin air - if something appears or is made out of thin air, it suddenly and mysteriously appears or is made.

He ran away eight years ago and it was as though he vanished into thin air.

Have you seen my calculator? It seems to have disappeared into thin air.

• have your knife into someone
• have your mind on
• have your mind on something
• have your moments
• have your name in lights
• have your nose in a book
• have your nose in the air
• have your pick of
• have your pick of something
• have your share of
• have your share of something
• have your sights set on
• have your sights set on doing something
• have your sights set on something
• have your wicked way with
• have your wicked way with someone
• have your wits about
• have your wits about you
• have your work cut out
• have your work cut out for
• have your work cut out for you
• head and shoulders above ...
• head and shoulders above
• head and shoulders above someone
• head and shoulders above something