0 not producing any good or valuable result: --
They had both agreed to adopt after two years of unfruitful marriage.
In the new colony the soil was unfruitful and the settlers knew nothing of farming.
If allowed to spread too quickly, the vine will end up with a lot of bare, unfruitful wood.
The two sides have been involved in lengthy - but so far unfruitful - negotiations.
I see little benefit in expending our resources and energies in unfruitful expeditions.
The decision can be appealed, but typically such appeals are long and unfruitful endeavours.
Although now 78 years old, he has not given up his unfruitful political struggle.
The search warrant was very unfruitful because we got there too late.
Our appeals to the council enforcement officers have been unfruitful.