ἀνενθουσιάστως

From LSJ

οὗτος ὁ υἱός μου νεκρὸς ἦν καὶ ἀνέζησεν, ἦν ἀπολωλὼς καὶ εὑρέθη → This son of mine was dead and has come back to life. He was lost and he's been found.

Source

French (Bailly abrégé)

adv.
sans inspiration, sans chaleur.
Étymologie: ἀνενθουσίαστος.