ne plus ul·tra 
(nē′ plŭs ŭltrə, nā′ pls lträ)
(nē′ plŭs ŭltrə, nā′ pls lträ)n.
1. The highest point, as of excellence or achievement; the ultimate.
2. The most profound degree, as of a condition or quality.
[Latin nē plūs ultrā, (go) no more beyond (this point) : nē, no + plūs, more + ultrā, beyond.]