Lexical Definition

‎ἀναπολόγητος‎ anapológētos (an-ap-ol-og'-ay-tos) inexcusable ^G:A
from ‎Α‎ (as a negative particle) and a presumed derivative of ‎ἀπολογέομαι‎

without an excuse, inexcusable.

• indefensible

Abbott-Smith

*† ἀναπολόγητος, -ον (< ἀπολογεόμαι),
without excuse, inexcusable (in Polyb., al., as a forensic term; v. Lft., Notes, 252): Ro 1:20 2:1.†

Abbott-Smith References

Liddell-Scott-Jones

ἀναπολόγητος-λόγητος, ον,

inexcusable, [NT+2nd c.BC+]; undefended, τινὰ ἐάσειν[Refs 5th c.BC+]; without making a defence, [Refs 1st c.BC+]

_{LSJ Scripture Refs: Rom.1.20}