Meaning of the word ill-defined in English

What does ill-defined mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

ill-defined

US /ˌɪlˈdɪfaɪnd/
UK /ˌɪl.dɪˈfaɪnd/
"ill-defined" picture

Adjective

not clearly or sharply defined or delineated

Example:
The boundaries of the property were ill-defined.
His role in the project was ill-defined, leading to confusion.