disappear/vanish into thin air

phrase

: to disappear completely in a way that is mysterious
The papers seem to have vanished into thin air.

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“Disappear/vanish into thin air.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disappear%2Fvanish%20into%20thin%20air. Accessed 11 Mar. 2026.

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