Not welcome or wanted
Education produced many unforeseen and undesirable practical results.
It was then employed to describe a "peasant," and gradually began to denote undesirable qualities.
Again, it is generally recognized to be undesirable to give marks for a smattering.
Duke Henry had decreed that his lands should be divided between his two sons, but as a partition was regarded as undesirable the whole of the duchy came to his elder son.
Here he had to deal with the dangers arising from the increasing hordes of undesirable aliens who poured into the East End of London.