Lexical Definition

‎κακοποιός‎ kakopoiós (kak-op-oy-os') wrongdoing G:N-M
from ‎κακός‎ and ‎ποιέω‎

evil-doer, malefactor.

Usage: 4 forms in 6 verses
Form Translated As     In Verse(s)
κακοποιῶν evildoers 1Pet.2.12
to evildoers 1Pet.2.141Pet.3.16
κακοποιὸσ an evildoer 1Pet.4.15
κακοποιόσ an evil doing LXX.Prov.12.4
κακοποιοίσ doing evil LXX.Prov.24.19

Abbott-Smith

κακοποιός, -όν (< κακόν, ποιέω), [in LXX: Pr 12:4 (בּוּשׁ hi.) Pr 24:19 (רעע hi.)*;]
doing evil; as susbt., an evil-doer: I Pe 2:12, 14 4:15.†

Abbott-Smith References

Book Refs
Proverbs 12:4 · 24:19
1 Peter 2:12 · 2:14 · 4:15

Liddell-Scott-Jones

κακοποιός-ός, όν,

doing ill, mischievous, ὄνειδος [Refs 5th c.BC+]; σκεῦος, of a man, [Refs 2nd c.BC+]; κακοποιοί evil-doers, [Refs 4th c.BC+]; especially of poisoners and sorcerers, [NT]; of things, noxious, Χυλός [Refs 4th c.BC+]; τὸ κ. [τῆς ὕλης] [Refs 4th c.BC+]: Astrology texts, maleficent, [Refs 2nd c.AD+]

LSJ Scripture Refs: 1Pet.4.15