Lexical Definition

‎κακία‎ kakía (kak-ee'-ah) evil ^G:N-F
from ‎κακός‎

evil, malice(-iousness), naughtiness, wickedness.

• badness, i.e. (subjectively) depravity, or (actively) malignity, or (passively) trouble

Abbott-Smith

κακία, -ας, ἡ (< κακός), [in LXX chiefly for רָאָה;]
1. badness in quality (opp. to ἀρετή, excellence).
2. wickedness, depravity, malignity: Ac 8:22, Ro 1:29, I Co 5:8 14:20, Eph 4:31, Col 3:8, Tit 3:3, Ja 1:21, I Pe 2:1, 16.
3. In late Gk., evil, trouble, affliction (Am 3:6, I Ki 6:9, Ec 7:15, Si 19:6, al.): Mt 6:34 (cf. MM, Exp., xv).†
SYN.: πονηρία.

Abbott-Smith References

Liddell-Scott-Jones

κακία, ἡ,

(κακός) badness in quality, opposed to ἀρετή (excellence), [Refs 6th c.BC+]; κακίᾳ ἡνιόχων by their incapacity, [Refs] defects, [Refs 2nd c.AD+]

__2 cowardice, faint-heartedness, [Refs 5th c.BC+]
__3 moral badness, vice, μετ᾽ ἀρετῆς ἀλλ᾽ οὐ μετὰ κακίας [Refs 5th c.BC+]; ἡ ἀρετή, ὡσαύτως δὲ.. καὶ ἡ κ. [Refs 5th c.BC+]; personified in the Fable of Prodicus, [Refs 5th c.BC+]
__4 Philos., [Refs 3rd c.AD+]
__II ill-repute, dishonour, κ. ἀντιλαβεῖν [Refs 5th c.BC+]
__II.2 hurt, damage done or suffered, [LXX+NT]

_{LSJ Scripture Refs: LXX.1Kgs.6.9 ☩ Matt.6.34}