We are told, ad nauseam, that the stage has laws of its own, to which all dramatists must bow.
There have been republics (so-called) ad infinitum and ad nauseam.
They are said to be cowardly and treacherous; to be mere money-grubbers, and so on ad nauseam.
Indeed, this has been insisted on ad nauseam in recent years.
Fall in, and you are expected to stay in, ad infinitum, ...