Lexical Definition

‎ἀνωφελής‎ anōphelḗs (an-o-fel'-ace) useless G:A
from ‎Α‎ (as a negative particle) and the base of ‎ὠφέλιμος‎

unprofitable(-ness).

Usage: 5 forms in 6 verses
Form Translated As     In Verse(s)
ἀνωφελεῖσ unprofitable Titus.3.9
ἀνωφελέσ uselessness Heb.7.18
ανωφωλήσ unprofitable LXX.Prov.28.3
ανωφελούσ unprofitable LXX.Jer.2.8
ανωφελή unprofitable LXX.Isa.44.9LXX.Isa.44.10

Abbott-Smith

ἀν-ωφελής, -ές (ἀ- neg., ὄφελος), [in LXX: Is 44:10 (הוֹעִיל בִּלְתִּי), Je 2:8 (הוֹעִיל לֹא), Pr 28:3, Wi 1:11*;]
unprofitable: Tit 3:9; neut. as subst., unprofitableness: He 7:18.†

Abbott-Smith References

Book Refs
Proverbs 28:3
Isaiah 44:10
Jeremiah 2:8
Titus 3:9
Hebrews 7:18

Liddell-Scott-Jones

ἀνωφελής-ής, ές,

unprofitable, useless, ἁβροσύναι[Refs 6th c.BC+]

__2 hurtful, prejudicial, [Refs 5th c.BC+]: comparative -έστερος[Refs 5th c.BC+]. adverb -λῶς[Refs 4th c.BC+]