"fathomless" in German fathomless unergründlich unerforschlich undurchschaubar Detailed translations for "fathomless" fathomless fathomless(also: unsearchable, impenetrable, inscrutable, unfathomable) unergründlich fathomless(also: impenetrable) unerforschlich fathomless(also: impenetrable, inscrutable, arcane) undurchschaubar{adjectiv}