'Ne plus ultra' definitions:

Definition of 'ne plus ultra'

From: WordNet
noun
The state of being without a flaw or defect [syn: perfection, flawlessness, ne plus ultra] [ant: imperfection, imperfectness]

Definition of 'Ne plus ultra'

From: GCIDE
  • Ne plus ultra \Ne plus ul"tra\ [L., no further; ne no, not + plus more + ultra beyond.]
  • 1. The uttermost point to which one can go or attain; hence, the summit of achievement; the highest point or degree; the acme. [Webster 1913 Suppl.]
  • 2. A prohibition against proceeding further; an insuperable obstacle or limiting condition. [Obs. or R.] [Webster 1913 Suppl.]