οὐκ εἰκός ἐστι

From LSJ

ὁ γὰρ ἀποθανὼν δεδικαίωται ἀπὸ τῆς ἁμαρτίας → anyone who has died has been set free from sin, the person who has died has been freed from sin, someone who has died has been freed from sin (Romans 6:7)

Source

Greek > English (Woodhouse)

it is improbable, it is unlikely