The International Standard Bible Encyclopedia, Revised
Impossible[Heb bāṣar (Gen. 11:6), pālāʾ—‘be too hard’ (2 S. 13:2); Gk. adynatéō (Mt. 17:20; Lk. 1:37), adýnatos (Mt. 19:26; Mk. 10:27; Lk. 18:27; He. 6:4, 18; 10:4; 11:6)]: AV also NOT POSSIBLE, HARD, “be restrained”; NEB also “beyond their reach,” “can never fail,” NOT POSSIBLY. The verb adynatéō
International Standard Bible Encyclopedia
IMPOSSIBLE<im-pos’-i-b’-l> (verb [ἀδυνατέω, adunateo]; adjective [ἀδύνατος, adunatos]): “To be impossible” is the translation of [adunateo], “to be powerless,” “impotent” (Mt 17:20; Lk 1:37, the Revised Version (British and American) “void of power”) [adunatos], “powerless,” etc.,
A Dictionary of Christ and the Gospels: Aaron–Zion
IMPOSSIBILITY.—The modern mind flatters itself upon its frank recognition of impossibility in the world of nature. There is also an impotence of faith which is content to allow impossibility in the sphere of grace. Both these tendencies to a lazy acquiescence in a fancied inevitable are out of touch
The International Standard Bible Encyclopaedia, Volumes 1–5
IMPOSSIBLE, im-posʹi-b’l (vb. ἀδυνατέω, adunatéō; adj ἀδύνατος, adúnatos): “To be impossible” is the tr of adunateō, “to be powerless,” “impotent” (Mt 17:20; Lk 1:37, RV “void of power”); adunatos, “powerless,” etc, is trd “impossible” (Mt 19:26; Mk 10:27; Lk 18:27; He 6:4, 18; 11:6; “impossible”