adj. That does not have a meaning and is thus not assigned an interpretation
The Century Dictionary and Cyclopedia
Not defined or explained; not described by definition or explanation.
Not having limits distinctly marked or seen; not definitely limited; indefinite.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. not precisely limited, determined, or distinguished
Word Usage
"In a 224-page quarterly report to Congress, Neil Barofsky, the Special Inspector General of the Troubled Asset Relief Program (undefined, undefined%), acknowledged that TARP had stabilized the financial system."