Dictionary entry

ἀσύνθετος

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

ἀ-σύν-θετος, -ον

(< συντίθεμαι; v. M, Pr., 222; MM, s.v.), [in LXX: Je 3:7, 8, 10, 11 (בּגד)*;]

false to engagements, not keeping covenant, faithless (MM, s.v.): Ro 1:31.†