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English version

ill-defined

From Longman Dictionary of Contemporary Englishill-definedˌill-deˈfined adjective  1 CLEAR/EASY TO UNDERSTANDnot described clearly enough Some jobs in the company are pretty ill-defined.2 CLEAR/EASY TO SEEnot clearly marked, or not having a clear shape syn indistinct The borders were vague and ill-defined.
Examples from the Corpus
ill-definedThe procedures are ill-defined and completely untested.With other semi-regular stars, the periods are so ill-defined as to be barely recognizable, and sometimes the fluctuations become random.an ill-defined borderI will seek to show that it is confined within narrow, if ill-defined, bounds.She shivered at some ill-defined idea, drifting past out of reach, in the foggy recesses of her mind.Government documents and official statements concerning integration are replete with romantic and ill-defined language.Above the scoop neckline of her peacock blue dress, an ill-defined rash of mottled pink broke out, then faded.The few planetaries bright enough to be seen with binoculars show up in the guise of dim, ill-defined stars.They constitute an assortment of ill-defined symptoms that affect people in different ways and to different extents.
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