δυσσεβεῖν
From LSJ
Γελᾷ δ' ὁ μῶρος, κἄν τι μὴ γελοῖον ᾖ → Mens stulta ridet, quando ridendum est nihil → Es lacht der Tor, auch wenn es nichts zu lachen gibt
Greek > English (Woodhouse Verbs Reversed)
(see also δυσσεβέω): act godlessly, act impiously, act irreverently, act unrighteously, be impious, commit impiety