Extended Strong's Greek Lexicon (Abbott-Smith based)
unable
Usage: ἀ-δύνατος, -ον, [in LXX for אֶבְיוֹן, דַּל, etc. ;] __1. of persons, unable, powerless: Act.14:8; figuratively Rom.15:1 (MM, VGT, see word). __2. Of things, impossible: Mat.19:26, Mrk.10:27, Luk.18:27, Rom.8:3, Heb.6:4,18 10:4 11:6. † (AS)