ἀνωφελής G512
anōphelḗs · an-o-fel'-ace · Adjective
from Α (as a negative particle) and the base of ὠφέλιμος; useless or (neuter) inutility:--unprofitable(-ness).
2 Occurrences in the King James Bible
Titus 3:9But avoid foolish questions, and genealogies, and contentions, and strivings about the law; for they are unprofitable and vain.
Hebrews 7:18For there is verily a disannulling of the commandment going before for the weakness and unprofitableness thereof.