in an unproductive manner

without gain or profit

yielding material gain or profit

the quality of affording no gain or no benefit or no profit

the quality of affording no gain or no benefit or no profit

not producing or capable of producing

not successful; having failed or having an unfavorable outcome

having no beneficial use or incapable of functioning usefully

not yielding a return

not profitable or prosperous

producing at a rate that barely covers production costs

not yielding profit or recompense