0 the best or most excellent example of something:
The concerto has been called "the ne plus ultra of his achievements".
In its day, the ship was the ne plus ultra of steam navigation.
They're the ne plus ultra of profundity in music, the classical style pushed to the very horizon of experience by abstract thought and free-spirited bravado.
This is his ne plus ultra, if you will.
The ne plus ultra of luxury fashion status symbols is the target of a take-down by its celebrity namesake.
So far as it goes, it is by all odds the ne plus ultra for school use.
He is a monstrosity, physical and metaphysical; the ne plus ultra, the "nothing beyond" of his species.
The philosophy of history should teach us to be modest, and to keep as our motto plus ultra versus ne plus ultra.
It is the ne plus ultra of human art.
English engineers regard this bridge as the ne plus ultra of bridge-building.
