ill defined[adjective]Synonyms: faint, blear, bleary, dim, fuzzy, indistinct, shadowy, unclear, undefined, vague
Antonyms: well-defined
[TahlilGaran] English Synonym Dictionary ▲
ˌill-deˈfined adjective1. not described clearly enough:
Some jobs in the company are pretty ill-defined.2. not clearly marked, or not having a clear shape
Synonym : indistinct:
The borders were vague and ill-defined. [TahlilGaran] Dictionary of Contemporary English ▲