1. vanish into thin air - Verb
2. vanish into thin air - Phrase
vanish into thin air (third-person singular simple present vanishes into thin air, present participle vanishing into thin air, simple past and past participle vanished into thin air)
(idiomatic) To disappear in a mysterious way.
...the more accurate the calculations became, the more the concepts tended to vanish into thin air. Robert S. Mulliken
I've found that worry and irritation vanish into thin air the moment I open my mind to the many blessings I possess. Dale Carnegie
The next-generation InfinityEdge panel found here has bezels so thin, they practically vanish into thin air – its simply futuristic. Source: Internet
There were no bushes or trees for him to hide behind, no holes to fall into, nothing to explain how he could simply vanish into thin air. Source: Internet