Abbott-Smith Manual Greek Lexicon
ἀ-δύνατος (G102)
10 ἀ-δύνατος , -ον , [in LXX for אֶבְיוֹן , דַּל , etc.;] of persons, unable , powerless : Ac 14:8 ; fig. Ro 15:1 (MM, VGT , s.v.). Of things, impossible : Mt 19:26 , Mk 10:27 , Lk 18:27 , Ro 8:3 , He 6:4 , 18 10:4 11:6 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain