Meaning Of ill-defined
Definition Of ill-defined
not having a clear description or limits; vague.
Example Of ill-defined
And there is an air of ill-defined frustration about him.
Comity, however, is an ill-defined concept, and for that reason can be arbitrary in its application.
I'd rather discuss specific authors and their ideas, rather than some vague, ill-defined movement.
In the Collins Review it's presented as a vague and ill-defined feel-good motherhood concept.
Instead it recognises ‘signs and symptoms of ill-defined conditions’ for which veterans can claim disability pensions.