σαπρός, -ά -όν
[in Sm.: Lev.27:14, 33 * ;]
rotten, corrupt, bad, worthless: of trees and fruit (opposite to ἀγαθός, καλός), Mat.7:17-18 12:33 Luk.6:43; of fish, Mat.13:48.
Metaphorical, in moral sense: λόγος σ., Eph.4:29. "In Hellenistic . . . it became a synonym for αἰσχρός or κακός," MM, xxii.†
(AS)