Bu tamamen verimsizdir. - This is entirely unproductive.
Bu Alman çevirmenler çok verimsizler, Tatoeba üretimi Asya'ya kaydırmalı. - These German translators are so unproductive, Tatoeba should delocalise production to Asia!
Something that is unproductive does not produce any good results. Research workers are well aware that much of their time and effort is unproductive. increasingly unproductive land. productive. not achieving very much