Lexical Definition

‎ἄστοργος‎ ástorgos (as'-tor-gos) unfeeling G:A
from ‎Α‎ (as a negative particle) and a presumed derivative of (to cherish affectionately)

without natural affection.

Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
ἄστοργοι unloving 2Tim.3.3
ἀστόργουσ heartless Rom.1.31

Abbott-Smith

* ἄστοργος, -ον (< στοργή, family affection, love of kindred, v.s. ἀγάπη),
without natural affection: Ro 1:31, II Ti 3:3 (MM, s.v.).†

Abbott-Smith References

Book Refs
Romans 1:31
2 Timothy 3:3

Liddell-Scott-Jones

ἄστοργος-ος, ον,

without natural affection, ἄστοργοςος ψυχήν[Refs 4th c.BC+]the heartless one, [Refs 4th c.BC+]; ἄ. θάνατος cruel, [Refs 1st c.AD+]

__2 without attraction, [Refs 1st c.AD+]:—also ἀστόργης (sic) [Refs]