Dictionary entry

ἄλογος

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ἄ-λογος, -ον

[in LXX: Ex 6:12 (שָׂפָהעָרֵל), Nu 6:12 (נָפַל), Jb 11:12, Wi 11:15, 16, IV Mac₃*;]

1. without reason, irrational: ζῷα, II Pe 2:12, Ju 10.

2. contrary to reason: Ac 25:27 (v. MM, VGT, s.v.).†