Top Definition
The failier of something or someone to arrive, show up, manifest, is misplaced or missing.
My logical thought process simply misappeared when asked why I was not in class yesterday. I guess I misappeared!?!The result of my misappearance left a big red "F" in the grade book.
1 more definition
When you have lost or can't find someone or something. Can't locate an item. Something or someone has gone missing or has disappeared.
My car keys have mysteriously misappeared.

Where did that guy you came with go? He must of done a misappearing act.

Where are your shoes? They were here a minute ago and now they have misappeared!
by Rockwoman November 22, 2012

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