Extended Strong's Greek Lexicon (Abbott-Smith based)
unreasonable
Usage: ἄ-λογος, -ον [in LXX: Exo.6:12 (שָׂפָה עָרֵל), Num.6:12 (נָפַל), Job.11:12, Wis.11:15-16, 4Ma.3:1-21 * ;] __1. without reason, irrational: ζῷα, 2Pe.2:12, Ju 10. __2. contrary to reason: Act.25:27 (see MM, VGT, see word).† (AS)