from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The highest point, as of excellence or achievement; the ultimate.
- n. The most profound degree, as of a condition or quality.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the highest, ultimate point of achievement which can be reached; perfection
- n. the highest possible state, degree, or condition of quality; nothing better
from the GNU version of the Collaborative International Dictionary of English
- The uttermost point to which one can go or attain; hence, the summit of achievement; the highest point or degree; the acme.
- A prohibition against proceeding further; an insuperable obstacle or limiting condition.
from The Century Dictionary and Cyclopedia
- Not (anything) more beyond; the extreme or utmost point; completeness; perfection.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the state of being without a flaw or defect
Latin nē plūs ultrā, (go) no more beyond (this point) : nē, no + plūs, more + ultrā, beyond.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin nē ("not") plūs ("more") ultrā ("beyond") (Wiktionary)