ill-defined
[il-di-fahynd]
adjective
badly or inadequately defined; vague: He confuses the reader with ill-defined terms and concepts.
Origin of ill-defined
First recorded in 1865–70
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for ill-defined
Contemporary Examples of ill-defined
But according to Wyden, the bill is “full of holes, riddled with vagueness and ill-defined terms.”
“Natural-born citizen” is an ill-defined term that has not been used in a statute since 1790.
Historical Examples of ill-defined
The cloud, you mean--a dim, ill-defined, dark body of vapour?
Homeward BoundJames Fenimore Cooper
There was a picture of myself sitting in an ill-defined room; that was all.
The Worlds of IfStanley Grauman Weinbaum
The Niuans had a belief in a future state, albeit shadowy and ill-defined.
Savage IslandBasil C. Thomson
It was so ill-defined that he could not trace it to its source.
RavenshoeHenry Kingsley
Now the duties of these Native Commissioners were multifarious, if ill-defined.
John Ames, Native CommissionerBertram Mitford
ill-defined
adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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