What is another word for ill-defined?
Pronunciation: [ˈɪldɪfˈa͡ɪnd] (IPA) 
Ill-defined is an adjective used to describe something that is vague, unclear, or poorly defined. There are several synonyms for ill-defined, such as ambiguous, murky, fuzzy, obscure, indeterminate, nebulous, and unclear. These words all convey a sense of uncertainty, lack of clarity, or lack of specificity. An ill-defined problem is one that is difficult to solve because its parameters are not well-defined. Similarly, an ill-defined concept is one that is difficult to understand or explain because its meaning is uncertain or not clearly defined. To avoid confusion and ensure clarity, it is important to clearly define terms and parameters when discussing or writing about any subject.
