ill-defined

US /ˌɪlˈdɪfaɪnd/
UK /ˌɪlˈdɪfaɪnd/
"ill-defined" picture
1.

mal definido, indefinido

not clearly or sharply defined or delineated

:
The boundaries of the property were ill-defined.
Os limites da propriedade eram mal definidos.
His role in the project was ill-defined, leading to confusion.
Seu papel no projeto era mal definido, levando à confusão.