Dictionary entry

ἀχρεῖος

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

ἀ-χρεῖος, -ον

(< χρεῖος, useful), [in LXX: II Ki 6:22 (שָׁפָל), Ep. Je 17*;]

useless, unprofitable: Mt 25:30, Lk 17:10 (MM, s.v.).†