βροντητικός
From LSJ
ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → life is not worth living if you do not have at least one friend
English (LSJ)
A thundering, epith. of Ζεύς, Eust. 141.27.
German (Pape)
[Seite 464] donnernd, Eust.
Spanish (DGE)
-ή, -όν tonante epít. de Zeus, Eust.141.27.