ˌill-deˈfined BrE AmE adjective
1 . not described clearly enough:
Some jobs in the company are pretty ill-defined.
2 . not clearly marked, or not having a clear shape SYN indistinct :
The borders were vague and ill-defined.
ˌill-deˈfined BrE AmE adjective
1 . not described clearly enough:
Some jobs in the company are pretty ill-defined.
2 . not clearly marked, or not having a clear shape SYN indistinct :
The borders were vague and ill-defined.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012