'Unfruitful' in the Bible

And he that was sown among the thorns, this is he that heareth the word; and the care of the world, and the deceitfulness of riches, choke the word, and he becometh unfruitful.

and the cares of the world, and the deceitfulness of riches, and the lusts of other things entering in, choke the word, and it becometh unfruitful.

For if I pray in a tongue, my spirit prayeth, but my understanding is unfruitful.

and have no fellowship with the unfruitful works of darkness, but rather even reprove them;

And let our people also learn to maintain good works for necessary uses, that they be not unfruitful.

For if these things are yours and abound, they make you to be not idle nor unfruitful unto the knowledge of our Lord Jesus Christ.