Not defined or explained; not described by definition or explanation.

Not having limits distinctly marked or seen; not definitely limited; indefinite.

adjective. Lacking a definition or value

adjective. That does not have a meaning and is thus not assigned an interpretation

adjective. not precisely limited, determined, or distinguished

"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."

defined  

indefinable  undefinable  

affined  aligned  assigned  behind  bind  

deep-seated  formless  ill-defined  illimitable  illusory  

aleatoric  aleatory  all-knowing  all-powerful  all-seeing