A polite term used by IT professionals to denote when a problem exists due to user error. Also often referred to as a U.I.P.
"The client was likely locked out of their system due to a User Interface Problem".
by Nife 3033 January 17, 2009
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the use of real life objects on a computer or the internet (web) to represent the real life counterpart (biorealism). using a realistic icon, symbol or image as a placeholder for a real life object on a computer or the internet rather than a word.
the use of an envelope icon to represent the action of writing and mailing a text message or email is a natural user interface.

the use of a head shot (as on friskyhands.com) rather than a simple boarder less picture is a natural user interface.

the use of an index card (as on positivelyfrisky.com) rather than a plain white box is a natural user interface.
by lyon in the sun August 24, 2011
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A play on the term graphical user interface, used to describe a poorly designed or hard to navigate user interface
I can't use a flip phone after using a smartphone, I get lost in their crapical user interface.

Government websites always look like they were designed in the 90's and built for IE, quite the crapical user interfaces
by golduck March 28, 2013
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