How to Use "unfruitful" with Example Sentences

1. Brilliant concepts and ideas sometimes prove to be unfruitful .

2. And have no fellowship with the unfruitful works of darkness , but rather reprove .

3. And let those also who are ours learn to maintain respectable works for their necessary needs , that they may not be unfruitful .

4. Kjv and let ours also learn to maintain good works for necessary uses , that they be not unfruitful .

5. For if I pray in a tongue , my spirit prays , but my mind is unfruitful .